1.
It’s constantly changing, It’s the condition of air nearest to Earth.
2.
It’s made up of different gases.
4.
People and animals need to breath.
5.
the air surrounding the earth is called ______
6.
it doesn't change, it describes the condition of an area.
7.
the lower part of the atmosphere has a _____ density of gases.
8.
It helps keep the air in the earth’s atmosphere.
9.
The satellites can orbit the earth in the _____ atmosphere.
10.
this atmosphere has ozone layer that protects us from harmful things.
11.
weather happens in the ______ part of the atmosphere.
12.
Oxygen, Nitrogen, and carbon dioxide are kinds of _______
