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The top documents tagged [humans exhale]
Definition: An increase in Earth's mean global temperature. Problem: Hotter… and hotter… and even hotter. How will life on Earth survive extreme temperatures?
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The Earth Sea / oceans ---------------- 70% Land-------------------------27% Ice --------------------------- 3% (Antarctica and Greenland)
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Oxygen Carbon Dioxide Activity
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WELCOME BACK 2013-2014 National Honor Society Members!
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WELCOME BACK 2013-2014 National Honor Society Members!
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