Give the term for:
All the earth's water.

Give the term for:
All the earth's gases.

Give the term for:
All the earth's soil and rocks.

Give the term for:
All the earth's living organisms.

Give the term for:
Air layer that protects the earth from harmful UV rays.

Give the term for:
Gases that trap heat in the atmosphere.

Give the term for:
Observation that earth is warming.

Give the term for:
Rays from the sun which can cause cancer and ageing.