Answer:
Ruminant animals are animals that chew cud while non-ruminant animals are animals that do not chew cud.
Explanation:
What major muscle is this man contracting to push himself up while doing a push-up?
what would be the initial outcome of decreasing the number of photosynthetic organisms on earth with no change in the number of organisms using cellular respiration? a.carbon dioxide levels would increase. b.more glucose would be available to animals. c.oxygen levels would increase. d.animals would access energy directly from sunlight.
The initial outcome of decreasing the number of photosynthetic organisms on earth with no change in the number of organisms using cellular respiration would be a. carbon dioxide levels would increase
Photosynthetic organisms, such as green plants and algae, are those that transform light energy into organic molecules using photosynthesis. They are the primary producers in almost all terrestrial and aquatic ecosystems, generating the basic food source for nearly all animals, including humans. The organisms that undergo cellular respiration, on the other hand, are animals, fungi, and other bacteria that respire organic substances, such as sugars, to acquire energy for their metabolic processes. They are consumers that depend on producers to survive.
Carbon dioxide \((CO_{2} )\) is produced during the respiration process. The more the number of organisms using cellular respiration, the greater the amount of \((CO_{2} )\) they will release into the environment. Because there is no change in the number of organisms using cellular respiration, a decrease in photosynthetic organisms would result in an increase in \((CO_{2} )\). This is because there would be fewer producers using \((CO_{2} )\) and more consumers respiring \((CO_{2} )\), resulting in an overall increase in the atmospheric \((CO_{2} )\) concentration.
As a result, decreasing the number of photosynthetic organisms on earth with no change in the number of organisms using cellular respiration would cause carbon dioxide levels to rise. Therefore, option A is the correct answer.
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In an attempt to identify ecologically friendly methods for controlling mosquito populations, researchers conducted field experiments in a certain country where aquatic nymphs of the dragonfly brachytron pretense were used against the larvae of mosquitoes. the researchers concluded that brachytron pretense can be used effectively as a strong, ecologically friendly control of mosquitoes and mosquito-borne diseases. complete parts (a) through (i).
Answer:
Mosquito fish.
Explanation:
Another ecologically friendly methods such as mosquito fish is also used for controlling mosquito populations. Mosquito lays egg in the ponds so these mosquito fish feeds on the larvae of mosquito and remove or reduce the population of larvae so very less number of larvae change into adult so this method is also a very good method for controlling of mosquito and no bad effect on the environment.
Which of the following best describes how the structure of the fluid mosaic model of the cell membrane controls the movement of substances in and out of the cell? (3 points)
Answer: The fluid mosaic model describes the structure of the plasma membrane as a mosaic of components —including phospholipids, cholesterol, proteins, and carbohydrates—that gives the membrane a fluid character. Plasma membranes range from 5 to 10 nm in thickness.
Explanation:
The option that describes the fluid mosaic model of the plasma membrane is a lipid bilayer with protein molecules dispersed within it.
It should be noted that the fluid mosaic model of the plasma membrane was proposed by Singer and Nicholson to explain the structure of the plasma membrane.
The plasma membrane is known as a fluid model because it has several types of molecules that float along the lipids. The fluid mosaic model of the plasma membrane is made up of two layers of lipid molecules where there are protein molecules dispersed within.
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1- What are Biometrics? And
Why Biometrics been used in Security industry?
2- There are two types of
enrollments in Biometrics. Mention them with explanation.
3- What is Multibiometric
1. Biometrics refers to the measurement and analysis of unique physical or behavioral characteristics of individuals, used in the security industry for accurate and reliable identification. 2. There are two types of enrollments: unimodal and multimodal. 3. Multibiometric systems utilize multiple biometric characteristics to enhance accuracy and overcome limitations of individual traits.
Biometrics refers to the measurement and analysis of unique physical or behavioral characteristics of individuals. It involves the use of advanced technologies to capture and authenticate these characteristics, such as fingerprints, iris patterns, facial features, voiceprints, or even behavioral traits like gait or typing patterns.
Biometrics is used in the security industry because it offers a high level of accuracy and reliability in verifying the identity of individuals. Compared to traditional methods like passwords or ID cards, biometrics provide a more secure and convenient way of authentication, as these characteristics are difficult to forge or replicate.
The two types of enrollments in biometrics are:
a. Unimodal Enrollment: In unimodal enrollment, a single biometric trait is used for authentication. For example, using only fingerprint or iris scan for identification. This approach is relatively simpler to implement and can be cost-effective for systems that require lower security levels or have limited resources.
b. Multimodal Enrollment: In multimodal enrollment, multiple biometric traits are combined to enhance the accuracy and reliability of identification. It involves capturing and storing data from two or more biometric sources, such as fingerprints and facial features, and using them collectively for authentication.
Multimodal enrollment provides higher security and reduces the risk of false positives or false negatives, as it combines the strengths of different biometric characteristics.
Multibiometric refers to the use of multiple biometric characteristics for identification and verification purposes. Instead of relying on a single biometric trait, multibiometric systems utilize a combination of traits such as fingerprints, iris patterns, facial features, or voiceprints to enhance accuracy and reliability.
This approach leverages the distinctiveness and uniqueness of multiple biometric traits, making it more difficult for unauthorized individuals to mimic or bypass the security measures. Multibiometric systems offer increased robustness and can overcome limitations or drawbacks associated with using a single biometric modality, such as environmental factors or individual variations.
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Consider this claim: Changes in environmental conditions always result in new ecosystems and loss of biodiversity characterized by an increase in the number of some species, the evolution of new species, and the extinction of some species.
Use what you have learned from the lesson, as well as reliable and reputable resources, to evaluate this claim. Use at least three examples from the lesson and other sources to support the valid ideas in the claim and refute the invalid ones. Add a list of your resources at the end of your response. Then, draw a conclusion about the stability of ecosystems, how and what can affect the stability of ecosystems, and how changes in the environment may affect the types and number of living things in an ecosystem.
The stability of ecosystems are substance or compound that negatively affects the ecosystem, capable of causing changes in the structure and functioning of communities.
What are the stability of ecosystems?Ecological stability is characterized by the persistence of an ecosystem in keeping close to a state of equilibrium. Stability involves two concepts needed to delineate a community's response to disturbances: resistance (ecology) and resilience (ecology).
It constitutes the process of spontaneous maintenance of the cycles of environmental relationships maintained between factors in permanent interaction, forming stabilized ecosystems and, therefore, capable of co-evolution and their own succession.
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Answer:
The stability of ecosystems are substance or compound that negatively affects the ecosystem, capable of causing changes in the structure and functioning of communities.
Explanation:
Copied and pasted from dude above.
Which of the following techniques is a mechanical IPM method for reducing pests?
B - The use of screens or traps to prevent pests from entering the crop area
Cultural control (crop rotation, usage of regionally adapted or pest-resistant/tolerant cultivars, etc.) is one IPM pest control strategy.
Controlling and preventing pests like insects, rats, and other animals from harming crops, structures, and other regions is the process of pest control. Pest control techniques come in a variety of forms, including chemical techniques like pesticides and physical techniques like barriers and traps. Pest controllers carry out inspections to hunt for pests and indications of harm from pests. After then, use successful remedies to resolve the issue and stop it from happening again. The pest management strategy you select will determine whether repeated treatments are necessary. Pest management offers a defense against insects that could endanger public health and result in expensive property damage. When we hear the words "pest control" or "pest control," we frequently picture getting rid of fleas, spiders, or cockroaches.
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draw the process of sarcomere shortening. start from the point where calcium would interact with troponin (hint: take a look at 5.5). for each step in the process, describe the roles of actin, myosin, and atp.
2 / 2
The process of sarcomere shortening is a complex process that involves the interaction of several proteins, including actin, myosin, and troponin. Here is a simplified description of the process:
Calcium ions (Ca2+) bind to troponin, which causes a conformational change in the troponin-tropomyosin complex, exposing the active sites on the actin filaments.
Myosin heads bind to the exposed active sites on the actin filaments, forming cross-bridges.
ATP is hydrolyzed by the myosin heads, which causes a conformational change that moves the myosin heads toward the center of the sarcomere.
The movement of the myosin heads pulls the actin filaments toward the center of the sarcomere, causing the sarcomere to shorten.
ATP is needed to break the cross-bridges between the actin and myosin filaments, allowing the myosin heads to rebind to new active sites on the actin filaments.
The process repeats as long as there is Ca2+ available to bind to troponin.
Overall, the process of sarcomere shortening involves a coordinated interaction between actin, myosin, and ATP, all of which are essential for muscle contraction.
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Enswer briefly, with no explanation needed! a. Cells from a tremendously weakened embryo are examined and found to have seriously depleted levels of 285, 185 and 5.85 ribosomal RNAS; however, the levels of 55 ribosomal RNA is normal in these cells are normal. If the defect resides in an RNA polymerase, which polymerase is most likely to be affected?
If the levels of 285, 185, and 5.85 ribosomal RNAs are depleted, while the level of 55 ribosomal RNA remains normal, the RNA polymerase responsible for transcribing these ribosomal RNAs is likely to be RNA polymerase I.
RNA polymerase I is responsible for transcribing ribosomal RNA genes, including the genes encoding 285, 185, and 5.85 ribosomal RNAs. It specifically transcribes the large precursor rRNA (pre-rRNA) that undergoes processing to generate mature ribosomal RNAs. If there is a defect in RNA polymerase I, it would lead to reduced or depleted levels of these ribosomal RNAs.
On the other hand, RNA polymerase III is responsible for transcribing 5S rRNA, which is a component of the 55 ribosomal RNA. Since the level of 55 ribosomal RNA is normal in the examined cells, it suggests that RNA polymerase III is not affected.
In summary, if the depletion of 285, 185, and 5.85 ribosomal RNAs is observed while the level of 55 ribosomal RNA remains normal, the most likely affected RNA polymerase is RNA polymerase I, responsible for transcribing the larger ribosomal RNA genes.
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Part C
This simulation shows only the changes in energy that cause the motion of the skateboarder. What energy
transformations are going on within the skateboarder's body during this process?
As the skateboarder moves, several energy transformations take place within their body. Some of the energy transformations include:
1. Chemical energy to kinetic energy: When the skateboarder pushes off the ground, the energy stored in the chemical bonds of their muscles is converted into kinetic energy, which is responsible for their motion.
2. Kinetic energy to gravitational potential energy: As the skateboarder moves up a ramp, their kinetic energy is converted into gravitational potential energy.
3. Gravitational potential energy to kinetic energy: When the skateboarder moves down the ramp, the gravitational potential energy is converted back into kinetic energy.
4. Kinetic energy to thermal energy: As the skateboarder moves, they also experience frictional forces which convert some of their kinetic energy into thermal energy.
5. Chemical energy to thermal energy: The continuous movement of the skateboarder requires the energy stored in their muscles to be converted into thermal energy, which is released as heat.
I hope that the assistance I provided was helpful.
The motion of the skateboarder is powered by energy transformations that occur within their body. As the skateboarder moves, their body converts stored chemical energy (from food) into kinetic energy, which is the energy of motion. This conversion happens through a series of complex biochemical processes that occur within the skateboarder's muscles.
When the skateboarder pushes off the ground, their leg muscles contract, converting chemical energy stored in the form of ATP (adenosine triphosphate) into kinetic energy as the legs move and the skateboarder accelerates. As the skateboarder continues to move, the muscles in their body work together to maintain balance and control, converting chemical energy into kinetic energy and potential energy as the skateboarder jumps, turns, and performs tricks.
Additionally, the skateboarder's body also experiences other forms of energy transformation during this process. For example, as the skateboarder moves, their body generates heat through metabolic processes, which is a form of thermal energy. The skateboarder also loses energy through friction with the ground and air resistance, which is converted into heat and sound energy.
In summary, the motion of the skateboarder is powered by a series of complex energy transformations that occur within their body. These transformations involve the conversion of stored chemical energy into kinetic and potential energy, as well as the generation of heat and sound energy through friction and air resistance.
i) predict which of the liquids would cause the largest decrease in mass of potato stick
PLEASE PLEASE HELP ME I HAVE 10 MINUTES ONLY, I WILL GIVE YOU THE BRAINLIEST!!
Answer:
1.0 mol per dm^3 sodium chloride solution
Explanation:
The idea behind this question is that the water inside the potato stick would move into the surrounding liquid naturally if the density outside the stick is greater than it is inside. Therefore, the liquid that would most encourage the flow of water from the potato stick would be the moet dense liquid- which in this case, is 1.0 mol per dm^3 sodium chloride solution.
Compare the processes of replication and transcription.
"Both DNA Replication and Transcription involve the generation of a new copy of the DNA in a cell. DNA transcription is involved in replicating the DNA into RNA, while DNA replication makes another copy of DNA. Both processes are involved in the production of new nucleic acids- DNA or RNA." -https://byjus. com/biology/difference-between-replication-and-transcription/#:~:text=Both%20DNA%20Replication%20and%20Transcription,nucleic%20acids%2D%20DNA%20or%20RNA.
Answer: "Both DNA Replication and Transcription involve the generation of a new copy of the DNA in a cell. DNA transcription is involved in replicating the DNA into RNA, while DNA replication makes another copy of DNA. Both processes are involved in the production of new nucleic acids- DNA or RNA." -https://byjus. com/biology/difference-between-replication-and-transcription/#:~:text=Both%20DNA%20Replication%20and%20Transcription,nucleic%20acids%2D%20DNA%20or%20RNA.
Explanation:
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3
What is the purpose of cell division?
A Growth of new cells
B Replacement of older, worn out cells
Used for reproduction
D
All of the above
Answer: All of the above.
How is salinity affected when precipitation increases
Answer:
Evaporation of ocean water and formation of sea ice both increase the salinity of the ocean. However these "salinity raising" factors are continually counterbalanced by processes that decrease salinity such as the continuous input of fresh water from rivers, precipitation of rain and snow, and melting of ice.
Explanation:
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Why did Operation Barbarossa go well in the start?
Geography
Operation Barbarossa went well in the start due to the geography of the area.
What is geography?Geography is the study of the physical features of the Earth and its atmosphere, and of the human activities that occur on and around the planet. It is a holistic discipline that looks at the physical and human aspects of the world. It encompasses a variety of topics, such as the environment, climate, landforms, soils, vegetation, population, cultures, economies, and politics, and how they interact and affect one another. Geographers use a variety of tools, including maps, satellite imagery, aerial photography, and computer models, to study and understand our world.
Germany had the advantage of having one of the largest and most powerful armies in the world, as well as the element of surprise on their side. Furthermore, Germany had the advantage of attacking along a wide front, which meant that they could quickly overrun large amounts of Soviet territory. Additionally, the terrain of the area was relatively flat and open, which allowed German tanks and mechanized units to move quickly and easily across the landscape. Finally, the German army was well-equipped and organized, allowing them to capitalize on the advantages of the geography and make swift advances.
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What is the term when a cell divides into two new daughter cells?
A. cell birthing
B. cell death
C. cell regeneration
D. cell division
Answer:
D, cell division.
most of the early hominin fossils discovered in africa come from the eastern and southern parts of the continent. why is this? group of answer choices hominin groups lived in these areas and nowhere else. only these areas were conducive to sustaining life. these areas provided better preservation. many villagers in these areas gather fossils to sell.
The reason most early hominin fossils discovered in Africa come from the eastern and southern parts of the continent is primarily due to geological and environmental factors.
Geological Factors of the preservation and discovery of fossils depend on specific geological conditions. Fossilization requires the presence of sedimentary deposits, such as lake beds, river floodplains, or caves, which can effectively preserve organic remains over time. The eastern and southern parts of Africa have exhibited favorable geological conditions for the formation and preservation of fossils, such as the presence of ancient lakes, volcanic ash deposits, and sedimentary layers.
Environmental Factors of the eastern and southern regions of Africa have historically supported diverse ecosystems and habitats that were suitable for early hominins. These areas had a variety of environments, including woodlands, grasslands, and water sources like lakes and rivers. These habitats provided resources such as food, water, and shelter, attracting early hominins to settle and thrive in these regions. Historical Research Focus is the concentration of early hominin fossil discoveries in eastern and southern Africa is also influenced by the historical emphasis of paleoanthropological research in these areas.
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Why is organic food better and healthy?
Which best explains why plants cannot exist as single-celled organisms?
OA. Plants make their own food.
OB. Plants need water and sunlight.
C. Plants are very simple organisms.
OD. Plants need different cells to perform life functions.
Answer:
OD. Plants need different cells to perform life functions.
What is the difference between an asthma cause and a trigger?
Answer:
Causes refer to the underlying factors and reasons that lead to asthma. Triggers mean the conditions that aggravate or usher in an asthma attack. Knowledge of both causes and triggers will help you manage your asthma.
I hope this helps.
what substances are in the blood prior to filtration
Answer:
Filterable blood components include water, nitrogenous waste, and nutrients that will all be transferred into the glomerulus to form the glomerular filtrate.
Explanation:
Trey is looking at a cell under the microscope. It is attached to many other cells, and it has a nucleus and membrane bound organelles. It has no cell wall. In which kingdom should this organism be classified? Question 4 options: Plantae Archaebacteria Animalia Fungi
The organism that Trey is observing under the microscope, with a nucleus and membrane-bound organelles but no cell wall, can be classified into the kingdom of Animalia.
Animalia is a diverse kingdom that includes multicellular organisms without cell walls, which possess specialized tissues and organs and are capable of movement. The absence of a cell wall and the presence of a nucleus and membrane-bound organelles are the distinguishing features of animals. While plantae and fungi also have membrane-bound organelles, they differ in having a cell wall made of cellulose and chitin respectively.
Archaebacteria, on the other hand, are unicellular organisms that are distinct from bacteria and are often found in extreme environments. Therefore, the correct classification for the organism that Trey is observing is Animalia.
Trey is looking at a cell under the microscope that is attached to many other cells, has a nucleus and membrane-bound organelles, and has no cell wall.
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neisseria meningitidis is able to survive inside macrophages and be transported throughout the body in them true false
Neisseria meningitidis is a gram-negative bacterium, which is able to cause meningitis or bloodstream infections such as meningococcemia or septicemia. This bacterium is able to evade host defense mechanisms and colonize the human upper respiratory tract, causing no symptoms in most individuals.
It is unclear how N. meningitidis is able to survive inside macrophages or cross the blood-brain barrier, but it has been hypothesized that it may produce outer membrane vesicles or use host cell receptors to invade cells. However, recent studies have shown that N. meningitidis is able to survive inside human monocytes and macrophages in vitro and be transported throughout the body in them.
This ability may contribute to the pathogenesis of meningococcal disease and help explain why this bacterium is able to cause such severe infections. Therefore, the statement "neisseria meningitidis is able to survive inside macrophages and be transported throughout the body in them" is true.
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what does the word gastropoda mean
Answer:
a large class of mollusks which includes snails, slugs, whelks, and all terrestrial kinds.
Explanation:
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what is the functional cell of the nervous system?
The basic unit of the nervous system is a nerve cell, or neuron. The human brain contains about 100 billion neurons. A neuron has a cell body, which includes the cell nucleus, and special extensions called axons and dendrites.
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The functional cell of the nervous system is neurons.
What is a nervous system?The nervous system is the main controlling system of the living body. It consists of the brain and the spinal cord. The nervous system is divided into two parts, the central nervous system, and the peripheral nervous system.
Neurons are the cells of the nervous system. The cells are branch-like structures like the roots of a plant, they contain absorb the information using electrical impulses and transport it into different areas of the brain.
The central nervous system contains the brain and the hypothalamus, and the peripheral nervous system contains all the neuron cells. The neuron cells' function in the peripheral system is to collect the signals and information and to send it to the central number system, which contains the brain for processing.
Therefore, neurons are the functional cell of the nervous system.
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what kind of bond is created by a weak electrical attraction between polar molecules?
Answer:
Dipole-Dipole
Explanation:
The type of bond created by a weak electrical attraction between polar molecules is called a dipole-dipole interaction. Dipole-dipole interactions occur between polar molecules, where one molecule has a partial positive charge (δ+) and another molecule has a partial negative charge (δ-). These partial charges result from an uneven distribution of electrons within the molecule, leading to a temporary dipole moment. The positive end of one polar molecule is attracted to the negative end of another, creating a relatively weak bond known as a dipole-dipole interaction.
A therapist uses unconditional positive regard to help a client feel fully accepted. The therapist and the client discuss future goals and focus on the steps needed to live a more complete life.
Which perspective in psychology is the therapist most likely following?
A. humanistic
B. behaviorist
C. psychoanalytic theory
D.functionalism
The perspective in psychology that the therapist most likely following is option C. psychoanalytic theory.
What does therapy mean by unconditional positive regard?Respecting a client as a human being with free will and acting with the presumption that they are doing the best they can, as opposed to enjoying or embracing what they have done, is what is meant by unconditional positive regard.
Note that Robert Carl Rogers Respecting a client as a human being with free will and acting with the presumption that they are doing the best they can, as opposed to enjoying or embracing what they have done, is what is meant by unconditional positive regard.
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what causes the uterine wall to enter the proliferative phase?
The uterine wall enters the proliferative phase due to increased levels of estrogen in the body.
Estrogen stimulates the growth and thickening of the endometrial lining in preparation for potential implantation of a fertilized egg.
This phase occurs during the follicular phase of the menstrual cycle, which is the phase leading up to ovulation. The purpose of this phase is to grow the endometrial layer of the uterus.
17-beta-estradiol achieves this by increasing the growth of the endometrial layer of the uterus, stimulating increased amounts of stroma and glands, and increasing the depth of the arteries that supply the endometrium, the spiral arteries.
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which amide AB is metabolized in blood
There are several amide AB (anesthetic agents) that are metabolized in the blood, including lidocaine, prilocaine, and mepivacaine. These anesthetic agents are all metabolized by the liver, but a small percentage of their metabolism also occurs in the blood.
When lidocaine is administered, it is rapidly absorbed into the bloodstream, where it is metabolized by the liver into two primary metabolites: monoethylglycinexylidide (MEGX) and glycinexylidide (GX). These metabolites are then further metabolized and eventually excreted from the body.
Prilocaine, on the other hand, is metabolized in the blood by a process called hydrolysis, which involves the breakdown of the amide bond in the molecule. This process produces the metabolite orthotoluidine, which can cause methemoglobinemia (a blood disorder) in rare cases.
Mepivacaine is also metabolized in the liver, but it undergoes hydrolysis in the blood to produce a metabolite called pipecoloxylidine. This metabolite is then further metabolized and excreted from the body.
In summary, several amide AB anesthetic agents are metabolized in the blood, including lidocaine, prilocaine, and mepivacaine. The metabolism of these agents is primarily carried out by the liver, but a small percentage of their metabolism also occurs in the bloodstream.
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which was not a major cause for the bantu migrations? responses desertification desertification the denseness of the rain forest the denseness of the rain forest slash-and-burn agriculture slash-and-burn agriculture war
War was not a major cause of the Bantu migration, Option D
Around 310 million Bantu-speaking people now live in the eastern and southern parts of Africa, leaving their original homeland of West-Central Africa over the course of a wave of expansion that began between 4,000 and 5,000 years ago. The economic, cultural, and political practices of Africa were profoundly affected by the Bantu's migration from Southern West Africa to Central and Eastern Africa.
The communities where the immigrants settled brought many new skills with them. Skills like advanced agriculture, industry, etc.
The Bantu moved to more fertile areas because of desertification, slash-and-burn agriculture, and the density of the rainforest.
(complete question)
Which was NOT a major cause for Bantu migrations?
A. desertification
B. Slash - and - burn agriculture
C. the denseness of the rainforest
D. war
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