Gas in the atmosphere that protects the Earth from the Sun's rays

Lowest layer of the atmosphere

The air we breathe is mostly made of

The highest layer of the atmosphere is

Weather happens in the

Airplanes fly in the

Meteor showers occur in the

As you get farther away from the Earth, the layers of the atmosphere get

Earth's atmosphere is mostly made up of which 2 gases? CHOOSE 2!!!!!!

Evaporation of water cools Earth