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6 Cards in this Set
- Front
- Back
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ICE AGE
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TIMES IN EARTH'S HISTORY DURING WHICH GLACIERS COVERED LARGE PARTS OF THE SURFACE.
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AEROSOLS
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SOLIND PARTICLES OR LIQUID DROPLETS IN THE ATMOSPHERE.
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SUNSPOTS
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RELATIVELY DARK, COOL REGIONS ON THE SURFACE OF THE SUN.
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GREENHOUSE EFFECT
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THE TRAPPING OF HEAT NEAR A PLANET'S SURFACE BY CERTAIN GASES IN THE PLANET'S ATMOSPHERE.
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FOSSIL FUEL
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COAL, OIL, OR NATURAL GAS THAT FORMS OVER MILLIONS OF YEARS FROM THE REMAINS OF ANCIENT ORGANISMS; BURNED TO RELEASE ENERGY.
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GLOBAL WARNING
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A GRADUAL INCREASE IN THE AVERGE TEMPERATURE OF THE ATMOSPHERE, THOUGHT TO BE CAUSED BY AN INCREASE IN GREENHOUSE GASES FROM HUMAN ACTIVITIES.
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