as the water is heated, the cooler, denser water at the surface sinks and pushes the warmer water to the top. this type of heat transfer is called
a.conduction
b.convection
c.insulation
d.radiation
Answers
When the water is heated, the cooler, denser water at the surface sinks and pushes the warmer water to the top. This type of heat transfer is called convection.
What is convection?
Convection is the heat transfer process that takes place in fluids like gases and liquids. It occurs when there is a transfer of heat from one area to another by the movement of fluids.
What is the process of convection?
When the fluid is heated, its molecules expand and become less dense, resulting in it rising to the top.
As a result, the colder fluid from the top replaces the warmer fluid at the bottom. The motion of the fluid's particles then continues until a steady state is reached.
The process of convection occurs in fluids, including air and water, but not in solids.
Convectional heat transmission in the earth mantle is also expected to have a key role in plate tectonic .
In the atmosphere, the movement of air molecules caused by temperature changes generates winds and weather phenomena like thunderstorms and hurricanes.
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Related Questions
NEED HELP ASAP!!! WILL GIVE BRAIBLIST FOR FULL ANSWER!!! TY PROJECT: CLASSIFYING FRUIT
A key is a sorting device that lists choices between certain observed characteristics. A dichotomous key is the simplest means of identification. The word dichotomy means "cut or split into two parts." Hence, a dichotomous key is a two-part or two-choice key. It asks whether a particular organism has one trait or another—either yellow or brown, either large or small, etc. For this project, you will create a dichotomous key to classify eight different fruits and determine if it works.
Procedure:
Look back in the previous lesson to look at an example of a dichotomous key or you can research using the internet to gain a better understanding of it.
You will need to choose five different identifying characteristics that you can use to classify fruit.
You will choose eight different fruits that you have on hand or you can research about the different fruits you want to include in your key.
Once you have created your key, give it to a friend or someone in your household to determine if your key works.
Assignment Requirements:
Type up your dichotomous key below in the Question #1 box and answer the following questions:
Why did you choose the five identifying characteristics you used in your dichotomous key?
Was the person who you gave your key to able to accurately identify the fruit? Explain why or why not.
What two other fruits could your dichotomous key work for?
What other category of items could you create a dichotomous key for?
Answers
My Dichotomous Key for Identifying Fruits:
1a. Has a rough exterior texture, brown in color - Pineapple1b. Has a smooth exterior texture, yellow in color - Go to 22a. Has a curved shape, about the size of a human fist - Banana2b. Has a round shape, about the size of a ping pong ball - LemonI chose the five identifying characteristics based on the external physical features of the fruits that are easily distinguishable, even for someone who is not familiar with them. The rough or smooth texture of the exterior, color, and size are some of the most noticeable characteristics that can help to differentiate fruits.
The person who I gave the key to was able to accurately identify the fruit because the key was straightforward and easy to follow. The characteristics were clear and concise, making it simple to determine which fruit matched the description.
What is the keys about?The dichotomous key could work for oranges and grapefruits as they both have a similar rough texture on the exterior, but differ in color and size.
Therefore, Another category of items that a dichotomous key could be created for is identifying different species of trees in a particular area. The key could include characteristics such as leaf shape, bark texture, and type of fruit or seed produced.
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Which of the following is LEAST likely to be important in holding the components of a biological membrane together? hydrophobic interactions between the phospholipid tails and the surface of intergral membrane proteins buried in the membrane polar interactions among the phospholipid head groups on the same surface of the membrane hydrophobic interactions among the fatty acid tails of phospholipids on opposite sides of the membranes covalent interactions between the phospholipid and protein components of the membrane hydrophobic interactions among the fatty acid tails of phospholipids on the same side of the membrane
Answers
The component that is LEAST likely to be important in holding the components of a biological membrane together is C: "covalent interactions between the phospholipid and protein components of the membrane".
The biological membrane is made up of a lipid bilayer, with the hydrophobic tails of the phospholipids facing inward and the hydrophilic heads facing outward. The main forces that hold the membrane together are hydrophobic interactions between the phospholipid tails and the surface of integral membrane proteins buried in the membrane, polar interactions among the phospholipid head groups on the same surface of the membrane, and hydrophobic interactions among the fatty acid tails of phospholipids on opposite sides of the membrane.
Covalent interactions between the phospholipid and protein components of the membrane are not typically important in holding the membrane together. These interactions are much stronger than the other types of interactions and are not typically found in biological membranes. Instead, the membrane components are held together by weaker, non-covalent interactions that allow for the fluidity and flexibility that is necessary for the membrane to function properly.
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Which of the following is an example of a population?
A. a hot, dry climate that receives very little rain
B. the bank of a pond and the frogs and salamanders that live there
C. a large clan of meerkats, including their offspring
D. a pack of wolves chasing a family of deer through a grove of trees
Answers
Answer:
C. A large clan of meerkats, including their offspring.
Explanation:
They can interbreed and are all the same type of species.
The process by which the brain is compressed toward and through the foramen magnum is known as?
Answers
The process by which the brain gets compressed toward and through the foramen magnum is called brain herniation.
Brain herniation occurs when there is increased pressure within the skull, leading to the displacement of brain tissue. This can happen due to various conditions such as traumatic brain injury, brain tumors, or swelling caused by brain edema. As the pressure builds up, the brain may be forced downward, pushing through the foramen magnum, which is the large opening at the base of the skull.
Brain herniation can be a life-threatening condition as it can compress vital structures and disrupt normal brain function. Immediate medical intervention is required to relieve the pressure and prevent further damage.
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the only reason why saccharomyces cerevisiae yeast cells ferment in the presence of oxygen is because
Answers
Answer:
Because yeast only produces alcohol and CO²
Explanation:
(which produces carbonation) through the fermentation pathway, the presence of O2 will prevent any build-up of either alcohol or CO².
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13. The leaves of plants help it to make food by the process of photosynthesis. Plants perform photosynthesis in the presence of sunlight. What other components are needed by the plants to undergo photosynthesis? O(a)Oxygen and water O (b)Carbon dioxide and water O (c) Carbon dioxide and oxygen O (d)Oxygen and Carbon monoxide
Answers
Answer:
co2 , o2 ,H2o
Explanation:
Scientists plan to release a space probe that will enter the atmosphere of a gaseous planet. The temperature of the gaseous planet increases linearly with the height of the atmosphere as measured from the top of a visible boundary layer, defined as 0 kilometers in altitude. The instruments on board can withstand a temperature of 601 K. At what altitude will the probe's instruments fail? A. 50 kilometers B. 80 kilometers C. 83 kilometers D. 100 kilometers E. 111 kilometers
Answers
Answer:
83
Explanation:
y - y1 = [(y2 - y1)/(x2 - x1)](x- x1)
y - 147.52 = [ (567 - 147.54)/(78.11 - 18.4) ](x - 18.4)
Substituting y = 601 to solve for x:
601 - 147.52 = [ (567 - 147.54)/(78.11 - 18.4) ](x - 18.4)
x = 83
Answer:
83 kilometers
Explanation:
State the Two stages of photosynthesis
Answers
Answer:
Light and Dark Reactions
Example of reproduction
Answers
Answer:
a deer giving birth to a baby deer
describe the movement of water across a cell membrane and the effects on the cell that is in a hypertonic, hypotonic or an isotonic environment surrounding a cell.
Answers
Answer:
If a cell is placed in a hypertonic solution, water will leave the cell, and the cell will shrink. In an isotonic environment, there is no net water movement, so there is no change in the size of the cell. When a cell is placed in a hypotonic environment, water will enter the cell, and the cell will swell.
Explanation:
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Based on Our Common Future (also known as the Brundtland
Report), what is the definition of Sustainable Development?
Answers
Sustainable Development, as defined by the Brundtland Report (Our Common Future), is development that meets the needs of the present generation without compromising the ability of future generations to meet their own needs.
The concept of Sustainable Development, as put forth by the Brundtland Report, emphasizes the importance of balancing economic, social, and environmental considerations to ensure the well-being of both current and future generations. It acknowledges the interconnectedness of various dimensions of development and calls for responsible decision-making and resource management that promote long-term sustainability. The report emphasizes the need to address poverty, inequality, and environmental degradation while fostering economic growth and improving quality of life. Sustainable Development aims to create a future where societal progress can be achieved without depleting resources or causing irreparable harm to the environment, ensuring a more equitable and sustainable world for present and future generations.
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During dna replication each strand of dna is used as a template to produce a complementary strand of dna this process is shown below which base will attach to location 3
Answers
Answer: answer is cytosine
Explanation:
WHAT IS THE OZONE LAYER?
Answers
Answer:
the ozone layer is a thin part of the Earth's atmosphere that absorbs almost all of the sun's harmful ultraviolet light. "Ozone holes" are popular names for areas of damage to the ozone layer.
Is Shibuya City a marine or continental environment?
Answers
Answer:
Well, Shibuya City is located in the Tokyo Metropolis of Japan and since it is an urbanized area, it is an continental environment.
Why would it not make sense to study a human adipocyte when studying meiosis?
Answers
It would not make sense to study a human adipocyte when studying meiosis because human adipocytes are specialized cells for fat storage.
Adipocytes are the cells that store fat, while meiosis is a process of cell division that occurs in reproductive cells. Adipocytes do not undergo meiosis, as they are somatic cells and not involved in sexual reproduction. Instead, they divide through mitosis.
Meiosis occurs in germ cells, which gives rise to gametes (sperm and egg cells) in humans and involves two rounds of cell division to produce cells with half the original chromosome number. Therefore, studying a human adipocyte would not provide any insights into the meiotic process.
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Which of the following is the best explanation for why extinctions are more likely with longer growing seasons in this simulation of Isle Royale? With more plants available... moose are healthier on average and can avoid wolves, leading to extinction of the wolves, larger populations of moose and wolves are more vulnerable to environmental fluctuations, increasing the chance of extinction there is not enough room for moose to move around the island looking for food, leading to extinction of the moose and then the volves moose and then wolf populations grow larger during cycle peaks--with enough wolves, all moose are eaten, leading to extinction for both
Answers
The best explanation for why extinctions are more likely with longer growing seasons in the simulation of Isle Royale is that larger populations of moose and wolves become more vulnerable to environmental fluctuations, increasing the chance of extinction.
In the simulation of Isle Royale, a longer growing season leads to more plants being available, which results in healthier moose populations on average. When moose are healthier, they can avoid wolves more effectively, leading to the extinction of the wolf population. However, this is not the primary explanation for the increased likelihood of extinction.
The main reason for the higher likelihood of extinctions with longer growing seasons is that larger populations of moose and wolves become more vulnerable to environmental fluctuations. During peak cycles, both moose and wolf populations grow larger. However, with a sufficient number of wolves, they are able to consume all available moose, which eventually leads to the extinction of both species. This cyclic relationship between moose and wolves, known as predator-prey dynamics, is influenced by the availability of food resources.
When the growing season is longer and more plants are available, it can support larger populations of moose. As a result, the moose population exceeds the carrying capacity of the island, and the competition for limited resources intensifies. This heightened competition, coupled with the cyclic nature of predator-prey dynamics, increases the chances of extinction for both moose and wolves.
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Please help —————//////
Answers
Answer:
okahdbd fb fbff
Explanation:
ng nfnfgngngnngngngngnfnfnv dnf. fbf f fn
Enzyme-protein
RNA-nucleic acid
Cellulose-Carbohydrate
Which of the following BEST describes the results of the Embargo Act?
Answers
Answer:
there are no options but the embargo act of 1897 was a general trade embargo on all foreign nations
Answer:
The United States government closed all trade with Britain.
Explanation:
Proteins embedded in the cell membrane may help molecules pass through that membrane without requiring any energy from the cell. Which type of passive transport would this be considered?
A) Osmosis
B) Diffusion
C) Exocytosis
D) Facilitated Diffusion
Answers
Answer:
Facilitated Diffusion
Explanation:
Every tRNA has an anticodon. What is the purpose of an anticodon?
Anticodons tell the tRNA when to stop retrieving amino acids.
Anticodons help the tRNA retrieve the correct nucleic acid.
Anticodons help the tRNA retrieve the correct amino acid.
Anticodons tell the tRNA when to begin retrieving amino acids.
Answers
Answer:
Anticodons help the tRNA retrieve the correct amino acid.
Explanation:
Function of Anticodons The function of anticodons is to bring together the correct amino acids to create a protein, based on the instructions carried in mRNA. Each tRNA carries one amino acid and has one anticodon.
Please answer the photo is above, thank you!!
Answers
A man hits a golf ball (0.2 kg).... that will be
FORCE = (0.2) x (20) = 4 Newtons.
If a car travels 400m In 20 seconds how fast it’s going, that will be 20m/s
How much time will it take for a bug to travel 5m across the floor..... that will be 5 seconds
Secretions from the pancreas contain compounds called lipases. Lipases increase the rate of digestion of lipids.
Lipases are an example of which of the following?
• Enzymes
• Simple sugars
Nucleic acids
• Hormones
Answers
Lipases are enzymes that lead to the hydrolysis of lipids.
The above graph shows vertebrate diversity in terms of total
number of species. Which of the vertebrate classes listed in
the graph would have the BEST chance of at least some of
the species surviving a major environmental change?
A:bony fish
B:birds
C:sharks, rays
D: mammals
Answers
Answer: a
Explanation:
Answer:
a
Explanation:
The cell theory states that the cell is the basic unit of structure and function in living things, that all living things are composed of cells, and that new cells come from existing cells. Which of the following functions in a way that does NOT fit the first component of the cell theory described above?
Answers
The third function "new cells come from existing cells" does not fit the first component of the cell theory described above.
The classical cell theory was proposed by Theodor Schwann in 1839. There are three parts to this theory. The first part states that all organisms are made of cells. The second part states that cells are the basic units of life. These parts were based on a conclusion made by Schwann and Matthias Schleiden in 1838, after comparing their observations of plant and animal cells.
The theory didn't explain how new cells were formed which was later described by Rudolf Virchow in 1858, which states in the third part, that cells come from pre-existing cells that have multiplied.
Answer:
The first component of the cell theory says that all living things are made of cells. The second component of the cell theory states that cells are the basic structure and function of living things. The last component of the cell theory says that cells come from other cells.
Explanation:
i did this lesson
What is the main function of environmental policy?
a. prevent the use of natural resources
Answers
The main function of environmental policy is to reduce human impact on the environment.
Environmental policy refers to the commitment of the government or concerned organization to the laws and regulations involving environmental issues. Most often, most of the environmental issues can be waste management, water pollution, waste management and many more.
Environment implies the community of living organisms also called the physical ecosystem, which can be viewed from the social angle such as quality of health. Policy, on the other hand, refers to principles that can be put in place by the government or concerned organization.
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A group of environmentalists was discussing the benefits and drawbacks associated with using fossil fuels. Which argument best fits the conversation?
Fossil fuels are cheaper than alternative forms of energy.
Fossil fuel reserves will never be depleted.
Fossil fuels are easily renewed.
Fossil fuel use does not affect the environment.
Answers
Answer:
The correct answer is - Fossil fuels are cheaper than alternative forms of energy.
Explanation:
Fossil fuels are made by the natural process in a longer time period such as anaerobic decomposition of the dead organism like plants, and animals. These plants and animal's decomposed organic matter pilled up to form coal, or natural gases or crude oil.
By the use of such fuels the reserves are continuously depleting and will be no longer available in the future if not managed properly as it can not be renewed. Fossil fuels increases the green house gases in environment and affect it by incresing carbon in atmosphere. However, these fuels are cheaper in comparision of other fuels.
Thus, the correct answer is - Fossil fuels are cheaper than alternative forms of energy.
Answer:
its A on edge
Explanation:
Darwin's Theory
Project: Analyzing the Effects of the Environment on Traits
In this assignment, you will apply concepts of statistics and probability to answer questions about how environmental factors affect the variation and distribution of expressed traits in a population
Answers
Sometimes a gene's DNA sequence or level of activity is altered by the environment. Both of these effects have the potential to alter the proteins that a gene produces, which in turn influences traits.
Which Environmental condition effects Traits?An organism's characteristics can be influenced by environmental factors such as food, temperature, sunlight, and water. Many traits of both plants and animals are influenced by both environment and genetics. Animal behavior and animal traits can change as a result of learned experiences. The nucleotide sequence of a gene can be altered by some harmful environmental factors. DNA strands, for instance, can be damaged by UV radiation.
Environmental traits: what are they?Your favorite type of music, your skill as a basketball player, and the language you speak are all examples of environmental traits. These characteristics are environmental characteristics because you can choose them.
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Genetic evidence supports the idea that all organisms are related. This is because:
A) Some organisms have a DNA and some do not
B) Each organism has DNA made from different molecules
C) Each organism on Earth has DNA made from the same nitrogen bases in different sequences
D) Every organism on Earth has the same nitrogen bases in their DNA
Answers
1. Which must be true to receive government flood insurance?
○The home must be built on a flood plain.
○The city must take steps to reduce flood damage.
○The area must flood less than once every 100 years.
○ There must be more than $200,000 of damage.
Answers
To receive government flood insurance, the following must be true:
○ The city must take steps to reduce flood damage.
In the United States, this is managed by the National Flood Insurance Program (NFIP), which is administered by the Federal Emergency Management Agency (FEMA). To be eligible for flood insurance through the NFIP, a community must participate in the program and adopt and enforce floodplain management regulations to reduce the risk of flood damage. These regulations ensure that new development and substantial improvements to existing structures in the community are designed and constructed to minimize flood damage.
1) What does the negative distance in UAM indicate?
2) What does a negative velocity in UAM mean?
3) When you toss a ball into the air expecting it to hit the ground later, when will the ball achieve its
highest velocity? highest acceleration?
4) Suppose you drop an object both on Earth and on the moon, how do you compare its velocity on
Earth and on the moon?
PASAGOT PO BADLY NEEDED
Answers
Answer:
the negative distance in UAM indicates left side and downward movement of an object.
Explanation:
The negative distance in uniformly accelerated motion (UAM) indicates that the object is moving to the left side in Horizontal ( UAM ) and the object is moving downwards in Vertical ( UAM ). A positive velocity means that the object is moving in the positive direction, is related to the coordinate system, while a negative velocity means the object is traveling in the opposite direction. The velocity of an object on the moon is very low because the force of gravity is 6 times lower than earth so velocity of an object on the earth is higher than on the moon.