Question

Class Activity
and
Fill in the blanks.
1.
Air contains gases like
2.
All living things breathe in
to prepare food.
3.
Plants use​

Answer 1

Answer:

1. Oxygen, Nitrogen, Hydrogen and Helium

2. oxygen.

3. Carbon dioxide

Answer 2

Answer:

1) oxygen,carbondioxide

2)carbondioxide

3) minerals