Question

THINK
ZONE
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?​

Answer 1

Answer:

Ozone

Argon and Neon

C. no idea

Oxygen

Answer 2

Answer:

• Ozone
• The noble gases are the chemical elements in group 18 of the periodic table. They are the most stable due to having the maximum number of valance electrons their outer shell can hold.

Example - Helium, Neon.

• Oxygen cylinder.

I hope this will be help you.