Our Atmospheric Blanket

Which best describes the role of Earth's atmosphere?

• The Earth's atmosphere is fuzzy like a warm blanket.

• The Earth's atmosphere helps to maintain livable temperatures on Earth's surface.

• The Earth's atmosphere produces oxygen for living organisms to breathe.

• The Earth's atmosphere is a large bubble of burning gas.

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Almost all weather occurs in the troposphere.

• True

• False

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The layer of atmosphere that is farthest from Earth is

• Thermopshere

• Mesosphere

• Stratosphere

• Exosphere

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Which sentence does not describe weather in the atmosphere?

• Weather brings rain, which is essential in the process of photosynthesis.

• All weather occurs in the troposphere.

• Weather helps prevent the air from becoming too hot or too cold.

• Weather is more important to people than any other living organism on Earth.

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The Ozone Layer is located in the ____________________ layer of Earth's atmosphere.

• stratosphere

• ultraviolet radiation

• DNA

• humans

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UV light causes cancer and cataracts in the eyes and can actually cause damage to the _____ in organisms.

• stratosphere

• ultraviolet radiation

• DNA

• humans

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The Ozone Layer absorbs harmful ____________________.

• stratosphere

• ultraviolet radiation

• DNA

• humans

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Ozone gas is being depleted by chemicals and pollutants that ____________ release into our atmosphere.

• stratosphere

• ultraviolet radiation

• DNA

• humans

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The __________________helps to shield or protect the surface of the Earth from meteorite impacts.

• living organisms

• water vapor

• atmosphere

• outer space

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What is true about our atmosphere?

• The atmosphere reduces meteorite impacts.

• The atmosphere helps regulate temperatures on Earth through the green house effect.

• The atmosphere protects us from harmful radiation.

• The atmosphere causes weather to distrubute water around the globe.

• All of the above.

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