What is the importance of oxygen?

Important Questions on Importance of Air

MEDIUM

6th CBSE

IMPORTANT

Head Start Science 6>Chapter 17 - Importance of Air>EXERCISES>Q 3

How do aquatic animals breathe underwater?

HARD

6th CBSE

IMPORTANT

Head Start Science 6>Chapter 17 - Importance of Air>EXERCISES>Q 4

Carbon dioxide is a necessary evil, comment.

HARD

6th CBSE

IMPORTANT

Head Start Science 6>Chapter 17 - Importance of Air>EXERCISES>Q 5

What is pollution? How does air get polluted?

HARD

6th CBSE

IMPORTANT

Head Start Science 6>Chapter 17 - Importance of Air>EXERCISES>Q 1

Why are buckets containing sand kept handy at a petrol pump?

HARD

6th CBSE

IMPORTANT

Head Start Science 6>Chapter 17 - Importance of Air>EXERCISES>Q 2

Why do factories have tall chimneys?

MEDIUM

6th CBSE

IMPORTANT

Head Start Science 6>Chapter 17 - Importance of Air>EXERCISES>Q 3

Why a crocodile keeps its snout(nose) out of water while resting?