Science, asked by nileshmeena518, 2 months ago

Q.7 Answer the following questions.
.
3. Why is Mars called the red planet?
5. Why morning and evening are cooler than noon time?
6. Explain gravity with the help of an example,
7. What is force? What are the uses of force?
8. What is photosynthesis?
9. What are the functions of a leaf?​​​​

Answers

Answered by adarsh201406
1

Answer:

3 Mars is known as the Red Planet. It is red because the soil looks like rusty iron.

5 Because in afternoon the sun is on the top and the rays of sunshine comes direct to the earth so we feel warmer and in morning and evening the sun is slightly to the earth so we feel colder then afternoon.

6 Some examples of the force of gravity include: The force that holds the gases in the sun. The force that causes a ball you throw in the air to come down again. The force that causes a car to coast downhill even when you aren't stepping on the gas. The force that causes a glass you drop to fall to the floor.

7 The use of force, in the context of law enforcement, may be defined as the "amount of effort required by police to compel compliance by an unwilling subject". ... For the English law on the use of force in crime prevention, see Self-defence in English law.

8 the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product.

9 The main function of a leaf is to produce food for the plant by photosynthesis. Chlorophyll, the substance that gives plants their characteristic green colour, absorbs light energy.

Explanation:

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