Question

b) Define atmosphere. Why is at important for us?​

Answer 1

The atmosphere is the layer of air that surrounds a planet. Earth has an atmosphere that is just right for humans, animals, and plants to live in. The gases in the atmosphere act like a blanket keeping our planet warm plus the atmosphere contains oxygen something we (humans and animals) all need to breathe.

Answer 2

Answer:

Hey mate!

Here is ur answer,

Atmosphere:

The blanket of air that surrounds the earth is called atmosphere.

Importance:

It protects us from the harmful UV rays of the sun

Hope it helps :)

have a great day ✌