We are not using more renewable resources because we have been using fossil fuels since the 18th century and renewable resources are comparatively new. Also, we have limited knowledge about them, so it will take time to change our mindset toward renewable resources.
Based on exhaustibility, there are mainly two types of resources, renewable resources, and non-renewable resources.
Renewable resources are those resources that are replenished while non-renewable resources are those resources that are not replenished.
The non-renewable resources take millions of years to form and once exhausted they cannot be made more.
Examples of renewable resources are solar energy, wind energy, geothermal energy, etc. while examples of non-renewable resources are fossil fuels like coal and petroleum, metals, etc.
Despite the fact that the supply of non-renewable resources like coal and petroleum is limited and they also cause pollution, the use of them is rampant around the world.
The use of fossil fuels is widespread because we have been using them since the 18th century and the use of renewable resources is a very recent phenomenon.
Also, a major hurdle for using renewable resources is the upgrading of current technology to harness these resources.
The newer technologies are generally more expensive to employ, for example, the solar cells used for storing solar energy are made up of elements like silicon, silver, and gallium which are expensive.
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Which of the following best describes why the disks rose to the surface faster in the more concentrated hydrogen peroxide solutions?
The higher substrate
Hope this helps ^-^ Diamonds is the name Thanks
The best description of the disks rose to the surface faster in the more concentrated hydrogen peroxide solutions, as the higher substrate concentrations in the more concentrated solutions speeded the reaction. The correct option is d.
What is hydrogen peroxide?Hair bleaching, surface cleaning, and tool disinfection are all done using hydrogen peroxide. It is also utilized in gardening and dental hygiene. Knowing that a highly regarded skin treatment may also be used as a household cleanser may be unsettling.
In the higher-concentration hydrogen peroxide solutions, the discs came to the surface more quickly. The reaction was sped up by the greater substrate concentrations in the more concentrated solutions.
Therefore, the correct option is d. The higher substrate concentrations in the more concentrated solutions speeded the reaction.
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The question is incomplete. Your most probably complete question is given below:
There was more enzyme present in the more concentrated solutions.
A greater amount of heat was generated in the more concentrated solutions.
The more concentrated solutions lowered the activation energy of the reaction.
The higher substrate concentrations in the more concentrated solutions speeded the reaction.
The density of the water was lower in the more concentrated solutions.
Would you expect LC8A and LC8B to be more similar to each other between organisms, as opposed to within one organism? Why?
It is likely that LC8A and LC8B would be more similar to each other between organisms than within one organism. This is because LC8A and LC8B are highly conserved proteins, meaning that their amino acid sequences are similar across different species.
Additionally, LC8A and LC8B have similar functions, binding to and regulating the activity of a variety of proteins involved in intracellular transport and signaling. Therefore, it is likely that natural selection has maintained the similar amino acid sequences of LC8A and LC8B across different organisms to ensure their proper function. Within one organism, however, there may be functional differences between the two proteins that result in evolutionary divergence of their amino acid sequences.
Overall, the high conservation of LC8A and LC8B suggests that they play important and similar roles across different organisms.
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Question one please and maybe the rest? Giving plenty of points.
page 350 9.1. the myth of race identify the true and false statements about race. true statement(s) race is not real. press space to open race is by definition always about differences in physical appearance. press space to open race is a social construct. press space to open race is about bloodlines. press space to open false statement(s)
The following are the true statements about race:
Race is not real. Race is by definition always about differences in physical appearance. Race is a social construct.The following are the false statements about race:
Race is about bloodlines.What is a Race?Race is a widely debated topic that refers to the grouping of individuals based on differences in physical appearance, genetic inheritance, or shared ancestry. However, race is not based on scientific facts. Race is a social construct and not a biological concept.
The concept of race has been used in the past to discriminate against and marginalize certain groups of people based on their physical features or cultural practices. The primary factor that determines the color of an individual's skin is melanin pigment. The amount of melanin produced by the melanocytes determines whether an individual will have lighter or darker skin.
However, race is not a biological category but a social construct, as different societies have different criteria for grouping people into different races.
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What role does DNA's structure play in its function (for example, the type of bonds holding the bases together vs the type of bonds holding
the sugar/phosphate together)?
Answer:
DNA is the information molecule. It stores instructions for making other large molecules, called proteins. These instructions are stored inside each of your cells, distributed among 46 long structures called chromosomes. These chromosomes are made up of thousands of shorter segments of DNA, called genes.
As the Zebra Mussel population expands how do you predict the Lake Whitefish population will be affected
Answer:
Hello again :)
The population will increase because they eat it.
Which one is it please somebody help me
Answer:ikfoddpspspssp[gfogo[s]offp'
popdfgghjjy
Explanation:
Explain the process of obtaining wool from
sheep.
\( \huge{ \underline{ \underline{ \bf{ \blue{Answer:}}}}}\)
The hair of the body of wool yielding animals traps a lot of air spaces between the fibres. Since air is a poor conductor of heat this helps to keep us warm in winter season that's why woollen clothes are worn in winter.
Mainly the wool yielding animals are properly treated and taken care of and this pocess is known as rearing. The wool yielding animals are reared in areas with low rainfall Sheep is one of the most popular wool yielding animals and it has a lifespan of about 10 to 12 years.They eat grass and leaves. Reared shepp are also fed with a mixture of pulses, corn, jowar, Oil cakes and Minerals. In winter they are kept indoors and fed on dry fodder, leaves and grains.☀️ Then, They are sheared......Once the sheep develops a thick coat of hair it is shaved off for getting wool. The removal of wool from sheep is known as shearing. It is done manually with the large razor or with shearing machine. Shearing is usually done during the hot season.━━━━━━━━━━━━━━━━━━━━
The supply chain's abaity to support the massive rollout of the COVID-19 vaccine is being put to the test. Temperatures, transportation distances, volume - and even the timing of the vaccine's second dose - are all critical factors. To ensure a responsive COVID-19 supply chain in the face of such daunting variables, leaders must have visibility, transparency, flexibilty and foresight. As the first COVID-19 vaccine developed by Pfizer and BioNTech is rolled out in the U.S., U.K. and other parts of the world and another 987-odd drugs and vaccines are in development (with 16 in the final phase) as of Dec. 15, 2020, pharma companies, Contract Manufacturing Organizations (CMOs) and suppliers are racing against time to put in place a sound production and supply chain plan so the vaccines can reach people speedily and securely. There are, however, considerable uncertainties and variables at this stage that can impact the production and distribution of the vaccine: - Uncertainties on approvals: It's not entirely clear how many vaccines will be approved. This affects the total amount of vaccine doses available (in the short to medium term) and consequently, production and distribution capacities. - Nature of vaccine: An approved vaccine that needs a continuous cold chain and specifed temperature range wil impact not only its distribution and allocation, but it will also have have specific packaging requirements (for some vaccines, packaging must withstand temperatures as low as minus 80 degrees Celsius). Both Pfizer and Moderna vaccines must be stored at below-zero temperatures, with the Pfizer vaccine requiring dry ice and special refrigeration. - Number of vaccinations needed. How much vaccine a country needs depends on the population to be vaccinated and the vaccination timeline. This depends on public health care capabilties and government policies. For example, there will be no compulsory COVID-19 vaccinations in Germany. - Efficacy of vaccine: The efficacy rate of a vaccine will decide how often people need to be vaccinated to contain the pandemic, which will impact production and distribution. For example, the Pfizer and Moderna vaccines require two doses that must be administered in a short sequence to be effective, so there cannot be a lag in the supply chain.
Answer ALL the questions in this section. Question 1 (10 Marks) Identify five (5) strategies that can be utilised to counteract confict in supply chain management. Provide examples based on the case study.
In the context of the COVID-19 vaccine rollout and supply chain management, five strategies can be employed to counteract conflicts and challenges.
Firstly, fostering collaboration and communication among stakeholders ensures transparency and proactive conflict resolution. Secondly, implementing robust risk management practices helps identify and mitigate potential disruptions. Thirdly, building flexibility and agility into the supply chain enables quick adaptation to changing circumstances.
Fourthly, leveraging technology and data analytics enhances visibility and traceability. Lastly, continual improvement and learning through feedback and post-implementation reviews drive process optimization.
Therefore, by employing these strategies, stakeholders can navigate uncertainties, address conflicts, and ensure an efficient and effective supply chain for the timely and secure delivery of vaccines to the population.
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According to the signal detection theory, the detection of stimuli involves decision and sensory processes.
T or F
Answer:
True!
Explanation:
This work is soo easy for me , It is True my teacher just checked all my answers were correct :) I hope you get a good grade.
Answer:
True is correct just took the topic review
Explanation:
A researcher determined that a strain of e. Coli is producing a shortened version of a protein required for glucose metabolism. What type of mutation could be responsible for this shorter than normal protein?.
A researcher determined that a strain of E. coli is producing a shortened version of a protein required for glucose metabolism. This is a nonsense mutation that could be responsible for this shorter than normal protein.
What is a "nonsense mutation"?There are mutations that have no effect on the protein and mutations that have a negative impact on the protein. Here is the mutation that changes the protein into a shorter one in E. coli because of premature termination, and this happens when a base is mutated in such a way that codes for the termination codon .
Hence, this is a condition of nonsense mutation, where, due to premature mutation, the shorter protein is formed.
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A mitochondrion is having a problem creating enough energy to build new molecules. Which problem most likely exists with the mitochondrion
When a mitochondrion is not creating enough energy to build new molecules the reason for this is proton pump is not working properly .
Enzyme in mitochondrial respiratory chains works as proton pump, they use energy to transfer protons across the inner mitochondrial membrane and create an electrochemical gradient used for the production of ATP.
The energy used in the electron transport chain pumps protons across the inner mitochondrial membrane from the inner matrix to the intermembrane space, producing a strong hydrogen concentration gradient. Defect in creating this hydrogen concentration gradient often results in less energy production .
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how does human dna fit into a nucleus? group of answer choices dna is microscopically small and thus naturally fits into the nucleus eukaryotic dna needs to be folded on several levels to become compact enough to fit into the nucleus
The eukaryotic dna needs to be folded on several levels so that it becomes compact enough to fit into the nucleus.
Deoxyribonucleic acid is a polymer composed of polynucleotide chains that coil spherical each one-of-a-kind to form a double helix. The polymer includes genetic instructions for the development, functioning, boom and replica of all seemed organisms and lots of viruses.
In all dwelling things, DNA is vital for inheritance, coding for proteins, and offering instructions for life and its tactics. Human cells commonly consist of 23 pairs of chromosomes, for a complete of forty six chromosomes in every cell.
Most DNA is positioned within the cell nucleus. Mitochondria are structures within cells that convert the power from meals right into a shape that cells can use.
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the same mouse with black fur and red eyes could also have the genotype .
The same mouse with black fur and red eyes could also have the genotype bb ee.
What is genotype? Genotype is the genetic makeup of a cell, an organism, or a species. An individual's genotype refers to the total set of inherited genes that give the genetic information required for development and function.
Genotype can be determined by breeding experiments using the Punnett square method, which is a graphical representation of how genes combine in offspring. In this regard, a mouse with black fur and red eyes could also have the genotype bb ee.
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The tendency for individuals to minimize any positive events that they may be experiencing is part of having dysfunctional or negative thoughts. please select the best answer from the choices provided t f
The statement 'the tendency for individuals to minimize any positive events that they may be experiencing is part of having dysfunctional/negative thoughts' is TRUE.
What are dysfunctional thoughts?Dysfunctional thoughts can be defiened as different types of negative thoughts that may affect mental health.
Mental (cognitive) health and physical health are both fundamental for reaching an overall state of well-being.In conclusion, the statement 'the tendency for individuals to minimize any positive events that they may be experiencing is part of having dysfunctional/negative thoughts' is TRUE.
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What is the major source of genetic variation for prokaryotes and viruses (bacteria)?
The major source of genetic variation for prokaryotes and viruses (bacteria) is the transfer of genetic material through horizontal gene transfer.
This process, also called lateral gene transfer, is the movement of genetic material between different organisms that are not related by descent. Horizontal gene transfer is a significant mechanism for generating genetic diversity among bacteria and other prokaryotes.
There are three primary mechanisms through which horizontal gene transfer can take place.
Transformation: The uptake of free DNA by a competent bacterium or other prokaryote. Some bacteria take up DNA from their environment, including DNA released by dead cells.
Transduction: Transduction involves the transfer of DNA from one bacterium to another facilitated by a bacteriophage, which is a virus that specifically infects bacteria.
Conjugation: The direct transfer of DNA from one bacterium to another through a pilus. A pilus is a hair-like structure that extends from the surface of the cell. It is used to attach to other cells and exchange genetic material.
Horizontal gene transfer is one of the primary mechanisms by which bacteria acquire antibiotic resistance. As a result, it is a significant public health concern.
By acquiring resistance genes from other bacteria, pathogenic bacteria can become resistant to antibiotics that were once effective.
This is why it is important to limit the use of antibiotics whenever possible to help prevent the spread of antibiotic resistance.
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Define the term "characteristic feature".Does it refer only to differences between members of the same species?
Characteristic feature is a trait or quality.
Characteristic traits can be seen in members of different species, it can also be seen between members of the same species, these include cellular organization, homeostasis, metabolism etc.
how does temperature of the Earth surface increase due to ozone layer depletion write in brief
Answer:
The ozone layer protects harmful rays
Explanation:
When the ozone layer is depleted, UV rays from the sun enter the earths atmosphere, and becasue the ozone layer was replaced by greenhouse gases, they trap the suns rays in between the earths atmosphere, increasing earths temperature
How might the weather change as the earth warms?
Answer:
The weather change as the earth warms because since,20th century due to human activities, particularly fossil-fuel burning which increases heat- trapping greenhouse gas levels in Earth's atmosphere.
Please help BRAINIEST :)))thank uuu
Answer:
the answer is d
Explanation:
The study of environmental science:
Describe the key features of Inland Grey Box Grassy
Woodland.
The Inland Grey Box Grassy Woodland is characterized by the dominance of Eucalyptus microcarpa (Grey Box) trees, diverse grasses, and an open canopy structure. It supports high biodiversity, adapts to arid conditions, and provides valuable ecosystem services.
Here are the key features of this selected vegetation type:
1. Dominant tree species: The dominant tree species in the Inland Grey Box Grassy Woodland is Eucalyptus microcarpa, commonly known as the Grey Box. This species is a medium-sized to large tree that can reach heights of up to 20-30 meters. It has rough, fibrous bark that is greyish in color, hence the name "Grey Box."
2. Understory vegetation: The understory of this woodland typically consists of a diverse range of grasses, herbs, and shrubs. Some common grass species include Themeda triandra (Kangaroo Grass) and Poa labillardieri (Common Tussock Grass). These grasses are well-adapted to the local climate and soil conditions.
3. Canopy structure: The Inland Grey Box Grassy Woodland usually has an open canopy structure, with the Grey Box trees scattered throughout the landscape. This open structure allows for a moderate amount of sunlight to reach the ground, supporting the growth of diverse grasses and understory vegetation.
4. Biodiversity value: This vegetation community is known for its high biodiversity value. It provides habitat for a variety of wildlife, including birds, reptiles, mammals, and insects. The diverse plant species within this woodland support different ecological functions and provide food and shelter for various animals.
5. Adaptations to arid conditions: The Grey Box and other plant species in this woodland have adaptations that allow them to thrive in arid or semi-arid environments. For example, Grey Box trees have deep root systems that enable them to access water from lower soil layers. The grasses and herbs often have drought-resistant traits, such as deep roots or the ability to go dormant during dry periods.
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11. Corals build a reef's calcium carbonate structure, which in turn creates habitat for numerous other organisms to live. Explain how human activities are affecting ocean temperatures and how these changes lead to reef destruction and the loss of biodiversity.
Answer:
Pollution.
Explanation:
Human activities such as burning of fossil fuel increases the production of carbondioxide gas that leads to increase the temperature of the atmosphere as well as the ocean. The warm temperature of ocean causes bleaching of coral reef because the algae present on the coral reefs are removed which turn it into white or colorless corals. The human activities such as pollution causes destruction of coral reef which leads to the destruction of habitat of thousands of organisms and as a result loss of biodiversity occurs.
solve for A
P=a-b-1
this is for math I didn't mean to click science
When you solve the equation for A, you are making A the subject of the equation. It becomes A = B + 1 + P.
Change of subject of equationsChanging the subject of an equation for a specific component requires the component is made the subject.
In the equation: P = A - B - 1
In order to make A the subject, it has to be carried across the other side of the equation. When this is done, we will have:
P - A = -B - 1
Next would be to move P to the other side of the equation. When you move P to the other side, we have:
- A = -B - 1 - P
Divide both sides by negative in order to cancel out the - sign on A. What we will have left is:
A = B + 1 + P
Thus, when A is made the subject of the equation, it becomes A = B + 1 + P.
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If in an equation, P=A-B-1, solve for A.
what conclusion can be drawn from the genetic information above? the white parent carried a dominant allele. all the black rabbits in the f2 generation are homozygous. all the white rabbits are heterozygous.
The conclusion that can be drawn from the genetic information is that the white parent carried a dominant allele, all the black rabbits in the F2 generation are homozygous, and all the white rabbits are heterozygous.
From the given genetic information, we can draw the following conclusions
The white parent carried a dominant allele. Since all the F1 generation rabbits are black, the white parent must have carried at least one dominant allele for black fur, and therefore must have had the genotype Bb or BB.
All the black rabbits in the F2 generation are homozygous. This suggests that both parents of the black F1 rabbits carried at least one recessive allele for white fur (bb), and that both alleles for black fur in the F1 rabbits were passed down to the F2 generation.
All the white rabbits are heterozygous. Since all the white rabbits in the F2 generation must have inherited a recessive allele from each parent to express the white fur phenotype, they must all be heterozygous (Bb) for black fur.
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Organic material in soil contain a substance called humus humus is defined as
A dark organic matter that form when plant and animal
B dark organic matter that forms from granites
C dark organic matter that froms from sand
What is a limitation of the bell jar model when modelling ventilation?
One limitation of the bell jar model when modeling ventilation is its oversimplified representation of real-world conditions. The bell jar model assumes a uniform and consistent distribution of airflow within the enclosed space, disregarding factors such as complex air currents, turbulence, and variations in temperature and humidity. In reality, ventilation dynamics are influenced by a range of factors, including room geometry, furniture placement, and occupancy patterns, which cannot be accurately captured by the simplistic bell jar model. This oversimplification may lead to inaccurate predictions or underestimation of ventilation rates in real-life scenarios.
Another limitation is the lack of consideration for external influences on ventilation. The bell jar model typically assumes a closed system, neglecting the impact of external factors such as wind, temperature differentials, and outdoor air quality. In real environments, these external influences play a crucial role in ventilation dynamics. Wind direction and speed, for instance, can significantly affect the inflow and outflow of air in a building. Temperature differences between indoor and outdoor environments can drive natural ventilation processes. Ignoring these external factors in the bell jar model may result in unrealistic estimations of ventilation rates and limit its applicability to real-world scenarios.
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The three categories of neurons are called neurons, neurons, and interneurons.a. Trueb. False
The given statement "The three categories of neurons are called neurons, neurons, and interneurons" is B. False because The three categories of neurons are called sensory neurons, motor neurons, and interneurons.
Sensory neurons are responsible for transmitting sensory information from the body's tissues and organs to the brain and spinal cord. Motor neurons, on the other hand, are responsible for transmitting signals from the brain and spinal cord to the muscles and glands in the body, allowing for movement and other bodily functions. Finally, interneurons are responsible for connecting sensory and motor neurons, allowing for communication and coordination between the two.
It is important to note that these three categories are not mutually exclusive, as some neurons can have characteristics of multiple categories. For example, some sensory neurons can also act as interneurons, transmitting signals between different sensory neurons or between sensory and motor neurons. Similarly, some motor neurons can also receive sensory input, allowing for fine control of movement.
In summary, the three categories of neurons are called sensory neurons, motor neurons, and interneurons, and they play important roles in allowing for communication and coordination within the nervous system. Therefore the correct option is B
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how much force would is required to stop a 1200kg car in 2 seconds if the car is traveling at 22 m/s
The force required to stop the car is 13200 N.
We have car of mass 1200kg.
We have to determine how much force is required to stop this car in 2 seconds.
What is Force ?
Force is defined as the product of mass and acceleration. Mathematically-
F = ma
According to the question -
Using first equation of motion -
v = u + at
0 = 22 + a x 2
-22 = 2a
a = -11 m/s².
The force required to stop the car = M x a = 1200 x |a| = 1200 x 11 =
13200 N
Hence, the force required to stop the car is 13200 N.
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label the allele and genotype frequencies for a population of four o'clock plants in hardy-weinberg equilibrium.
In order to label the allele and genotype frequencies for your specific population of four o'clock plants, you'll need to know the actual frequency values of the "A" and "a" alleles (p and q).
To label the allele and genotype frequencies for a population of four o'clock plants in Hardy-Weinberg equilibrium, we first need to understand the terms involved:
1. Allele frequencies: The proportion of each type of allele in the population.
2. Genotype frequencies: The proportion of each type of genotype in the population.
3. Hardy-Weinberg equilibrium: A stable state of a population where the allele and genotype frequencies remain constant across generations, assuming no mutation, gene flow, selection, or genetic drift.
Let's use the symbols "A" and "a" to represent the two different alleles in the four o'clock plants. We can then express the allele frequencies as follows:
- p: frequency of the "A" allele
- q: frequency of the "a" allele
Since there are only two alleles, their frequencies must add up to 1 (100%):
p + q = 1
Now, let's label the genotype frequencies. There are three possible genotypes:
1. AA: homozygous dominant
2. Aa: heterozygous
3. aa: homozygous recessive
In Hardy-Weinberg equilibrium, the genotype frequencies are represented as:
- AA: \(p^2\) (homozygous dominant)
- Aa: 2pq (heterozygous)
- aa: \(q^2\)(homozygous recessive)
These genotype frequencies must also add up to 1:
\(p^2\) + 2pq + \(q^2\) = 1
To label the allele and genotype frequencies for your specific population of four o'clock plants, you'll need to know the actual frequency values of the "A" and "a" alleles (p and q). Once you have that information, you can use the equations above to determine the corresponding genotype frequencies.
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Is anyone good at biology ? Urgent help needed, thanks !!!!
Answer:
sir
Explanation:
i cant see th picture sir