Question

THINK
ZONE
Give reason-
- A layer of a gas present in the atmosphere protects us from the sun's
harmful ultraviolet rays. Can you name this gas?
- Air contains noble gases in very small amounts. What are noble gases? Can
you name any two noble gases?
• What happens when there is too much water vapour in the air? Explain
. What is filled in the cylinder which an astronaut or a diver carries with
him?​
it's chemistry

Answer 1

Answer:

ozone

argon and neon

humidity increases

oxygen

Answer 2

Answer:

1 - ozone

2 - helium, argon, neon

4 - oxygen

Explanation:

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