Question

D. Very Short Answer Questions:
1. Name the gas that supports burning.
2. Which gas is used by plants to prepare food?
3. Which gas in the atmosphere is necessary for respiration?
4. Name the component(s) of air present in variable amount.
5. What is the layer of air around the earth called?
6. How do underground animals get oxygen?​

Answer 1

1.oxygen 2.oxygen3.oxygen5.ozone layer6. by osmosis process

Answer 2

Answer:

1. Oxygen

2. Carbon Dioxide

3. Oxygen

4. Nitrogen, Oxygen, Argon, Carbon dioxide, traces of neon, helium, methane, krypton and hydrogen.

5. Atmosphere

6. They breathe through their skins.