It gives us the air we breathe.
It keeps the temperatures on Earth comfortable.
It protects us from the sun’s harmful UV radiation.
All of the above.
Troposphere, Stratosphere, Mesosphere, Thermosphere.
Stratosphere, Troposphere, Mesosphere, Thermosphere.
Troposphere, Stratosphere, Thermosphere, Mesosphere.
Stratosphere, Troposphere, Thermosphere, Mesosphere.
In the troposphere.
In the stratosphere.
In the thermosphere.
In the mesosphere.
It allows the sun’s rays to hit the Earth and warm it up.
It absorbs and scatters the sun’s UV radiation so the harmful rays don't hit Earth.
It helps produce clouds.
It can destroy incoming meteorites that may hit Earth.
Oxygen and carbon dioxide
Oxygen and nitrogen
Carbon dioxide and nitrogen
Methane and oxygen