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Earth's Atmosphere
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The density of our atmosphere _____________ with an increase in altitude.
Decreases
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Which layer is the coldest?
Mesosphere
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Includes living plants and animals.
Biosphere
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Most weather occurs in this layer.
Troposphere
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The space shuttle orbits in this layer.
Thermosphere
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Which gas is removed from the atmosphere by green plants?
Carbon Dioxide
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Includes non-living soil, rocks and minerals.
Geosphere
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Name the 5 layers of the Earth's Atmosphere from bottom to top
Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere
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Includes rivers, lakes, oceans and glaciers.
Hydrosphere
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The Ozone layer is found in the ____________ atmosphere layer.
Stratosphere
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Includes all the gases on Earth
Atmosphere
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What is the weight of a one square inch column of the atmosphere?
14.7 lb/in2
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This layer is the "heat sphere."
Thermosphere
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Which gas is released into the atmosphere by plants as they photosynthesize?
Oxygen
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Atmospheric pressure _________________ with ________________altitude.
Decreases with increased
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The atmosphere is composed of mainly
Nitrogen
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Which layer protects the earth from meteoroids?
Mesosphere
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Earth's magnetic field traps harmful particles from the sun concentrating them into belts of radiation called ____________.
Van Allen
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