When the thermometer is placed in cooler water, the liquid inside the thermometer (usually mercury or alcohol) will contract or come closer together. This occurs because as the temperature of the water decreases, the kinetic energy of the water molecules decreases. hence option C is correct.
What is kinetic energy?Kinetic energy is a form of energy that an object possesses due to its motion. It is defined as the energy that an object has because of its motion, and its amount is proportional to the mass of the object and the square of its velocity.
A decrease in temperature would cause the liquid in the thermometer to drop. The reason for this drop is that the molecules in the thermometer's liquid would contract or come closer together due to a decrease in kinetic energy.
The thermometer's liquid molecules would lose kinetic energy as they come into contact with the cooler water molecules, which would result in a decrease in the volume of the thermometer's liquid. This decrease in volume would cause the liquid in the thermometer to drop.
As the water molecules come into contact with the thermometer's liquid, the kinetic energy of the thermometer's liquid molecules is transferred to the water molecules, causing them to slow down and contract.
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1.Suppose there is a drought and play and plant cannot get enough water. What happens to the cytoplasm of and the organelles in the plant cells?
2. describe the main differences between lysosomes and vacuoles
3. Could a single part of a multicellular organism survive on its own? Explain your answer
Answer:
1: if they cannot get enough water they will use techniques to protect themselves and conserve water.
2: Vacuole is a cell organelle which contains mainly water while lysosomes also cell organelle and are regarded as suicid bags by function. Vacuoles stores the undigested nutrients while the Lysosomes are the membrane bound sacs containing digestive enzymes that breaks down large molecules.
3: No, a single cell can carry out its functions independently but cannot survive or be sustained on its own because it needs help from the other cells from the multicellular organism to function properly.
Explanation:
Which best compares the temperatures of the substances?
Substance X has the highest temperature because its particles have more kinetic energy.
Substance X has the highest temperature because it has fewer particles.
Substance Y has the highest temperature because its particles have more kinetic energy.
Substance Y has the highest temperature because it has more particles.
Answer:
The correct answer is: A. Substance X has the highest temperature because its particles have more kinetic energy.
Explanation:
Which of these structures below represents a fat?
Option C is correct for structures of fat
What are the types of fat in our body?
Fats are the complex of fatty acid and glycerol molecule which helps body in different metabolic activity.
Different types of fats are present in animal, plant and other foods such as saturated, unsaturated, polyunsaturated, monounsaturated, and trans fats.
Some fats involve in metabolism and hormone levels, while others contribute the disease like Type 2 Diabetes, Heart Disease, Cancer.
Essential fat is present in brain, bone marrow, nervous system and membranes that in protection, hormone regulation, control fertility, vitamin absorption, and temperature regulation.
Subcutaneous Fat present in skin, it estimate total body fat percentage.
Visceral Fat is present in belly fat, is a type of white fat stored in abdomen and around all the major organs.
Option C is correct
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What would happen to a water strider if it was on oil instead of water?
Answer:
When the researchers placed the oil strider in a container with oily water and agitated the container, the strider skated on the surface between oil and water, just as a water-striding insect moves on the surface between water and air.
Explanation:
GIVING 100 POINTS OR MORE FOR HELP!
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Answer:
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Write 3-5 sentences about your personal feelings toward this career.
Do you think you could ever have this job? Why or why not? Do you feel like this job is important or interesting? If you would not personally like this job, what type of job would you like?
Answer:
I chose biology to study life. I want to learn more about the life cycle and the way it works. This magor is a import part of my life because it will teach me more about my kind and other like me. it will also give me a better understanding about plants, animals, and humans.
Explanation:
