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Earth's Atmosphere

Horizontales
to get bigger; to take up more space
an atom or a molecule; what everything is made of
a gas in the atmosphere in which the amount of gas stays constant. Oxygen (O2) and nitrogen (N2) are permanent gases.
is the layer of gases surrounding Earth. Its layers include the troposphere, stratosphere, mesosphere, thermosphere, and exosphere.
Verticales
a force that acts on compressed air
is an atmospheric gas whose amount changes based on the environment. Carbon dioxide (CO2), methane (CH4), and ozone (O3), and water vapor are variable gases.
the amount of matter in something
to push particles closer together
anything that has mass and takes up space
the measurable pull or force between Earth and the matter in an object or substance