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Key Idea- The Atmosphere benefits the Earth.

Response- It protects us from the sun's harmful rays.

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The amount of water vapor in the air  is called humidity.   Ms. Rocha's dry hair absorbs it and gets frizzy!

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it is the lowest level in the atmospheric layers with the most air pressure

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This happens because it contains zmost air

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The air that surrounds Earth is called the atmosphere. It is also 322 miles wide.

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The atmosphere has five layers of gases around Earth. The 5 lasyers incle: Trophesphere, Stratosphere, Mesospheere, and Thermospehere, and the Exosphere.

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The mesosphere is 80 km off of Earth.  It has less air pressure than the Trophosphere.

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The exosphere is the last layer in the atmosphere. It is the layer with the least amount of air pressure.

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The troposphere is 5 to 11 miles thick. It is the thinnest in all 5 layers.

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The tro

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The troposphere contains 99% of the earths air

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The troposphere contains 99% of the earths air

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IT has the densest air of all of the layers.

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The weight of the air is called air pressure.

Air pressure is also called atmospheric pressure.

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The troposphere holds 99.9% of earth's oxygen. It contains all life.

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the mesosphere is the third layer of the atmosphere.

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It is also the closest to earths surface.

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Atmosphere is the air that surrounds the Earth.

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Atmospheric pressure decreases with higher altitude.

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The air that surrounds  Earth is called atmosphere.

The first layer of the atmosphere is called the troposphere.

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The exosphere is the highest atmosphere level. It's where molecules escape into space.

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The  trosphere holds 99% of earths air.
Its also the closest layer of gas on Earth.

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The Stratosphere is cooler in the lower levels.

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The Troposphere contains 99% of Earths air.

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Exosphere is the highest atmosphere global.0% oxygen

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the exosphere is the last level the atmosphere.

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The troposphere is the closest to earths surface

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The atmosphere is made up of 5 seperate levels.

The level closest to earth's surface is called the Troposphere.

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The exosphere is the highest layer of the atmosphere.

It is 700 kilometers above the Earth's surface.

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The troposphere contains 99% of the air in the atmosphere.

The air is densest in this layer.

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The exosphere is the farthest atmosphere from Earth.