Question

C. SHORT-ANSWER QUESTIONS: Answer in a sentence or two.
1. What do you mean by 'atmosphere'?
2. Carbon dioxide is present to the extent of only 0.03% by volume in air. Why then is it
considered to be so important? 3. what is humidity?
4. What is the difference between breathing in and respiration?
5. How do fish breathe?
6. Do plants require nitrogen? Why?
What is the importance of the ozone layer in the atmosphere?
8. When is air said to be polluted?
D. LONG-ANSWER QUESTIONS: Answer these questions.
1. What is the composition of air?
2. Why is it considered unhealthy to breathe in through the mouth?
3. Most plants have stomata on the undersides of leaves. However, water lily leaves have
stomata on the upper surface. Why?
4. What is the oxygen cycle?
5. List any four uses of air.
6. How does the atmosphere help to maintain the right temperature on the earth?
7. List three steps we can take in our daily lives to reduce air pollution.




WRITE THIS ALL QUESTIONS IN VERY VERY SHORT PLS
you can write in two lines.​

Answer 1

Answer:

Hello sir

Actually u do it your self.

Sorry for being rude

Thnx!