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6 Cards in this Set
- Front
- Back
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Ice age
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Less sunlight reaches Earth during the year
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Aerosols
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Solid particles or liquid drops in gas
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sunspots
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Dark, cooler regions on the surface of the sun.
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Greenhouse Gases
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Water Vapor, Carbon dioxide, and Methane
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fossil fuels
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Energy-rich substances formed from the remains of organisms
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Global warming
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A gradual increase in the temperature of the atmostphere, thought to be caused by the increase in greenhouse gases from human activities
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