Question

1) The thick layer of air present around the earth is known as _________
2) Carbon dioxide is needed by plants to make their _______ .​

Answer 1

Answer:

1) atmosphere

2) food

Explanation:

Hope this answer helps you!

Answer 2

Answer:

1) Atmosphere

2) Food

Explanation:

1) The thick layer of air present around the earth is known as atmosphere.

2) Carbon dioxide is needed by plants to make their food.

( Note: for second question there can be different answers based on which grade you are in)

Hope it helps