Question

a) Fill up the blanks:
1. Air enters inside_ when we
and passes out when we_
2. Inhaled air should be_.
3. Plants can make_
air fresh.

4. All animals and plants need_ to survive
5. Polluted air is_
for both animals and plants.​

Answer 1

Answer:

1) inhaled & exhaled

2)o²

3) fresh

4) o²

5) harmful can you mark me as brilliant?

Answer 2

Answer:

1 body, inhale, exhale

2 oxygen

4 air

5 polluted

Explanation:

I hope this will help