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How are they different to 'greenhouse gases'? Greenhouse gases are naturally occurring. They include carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O). Synthetic greenhouse gases are man made chemicals and generally have a much higher global warming potential than naturally occurring greenhouse gases.
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Granite
Explanation: hope this helps:)
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It radically altered the geography of North America north of the Ohio River. At the height of the Wisconsin Episode glaciation, ice covered most of Canada, the Upper Midwest, and New England, as well as parts of Montana and Washington.
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The South China Sea
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It is between China, Taiwan, Vietnam, the Philippines, and Malaysia.
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It brought new technology to africa as well as knowledge
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