Question

Pls help plz help me my friends answer these fast​

Answer 1

Answer:

2. Oxygen

3. Carbon dioxide

4. Helium

5. atmospheric

6. Methane

7. Atmosphere

8. Air

Answer 2

Answer:

1. nitrogen
2. oxygen
3. carbon dioxide
4. helium
5. I think smoke particles
6. methane

7 atmosphere

8.air

I know that much only

hope this helps you & if yes mark me as brainliest....