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earth_history - History of the Earth History of the Earth...

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History of the Earth
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History of the Earth In the beginning…fainter Sun but Earth still had liquid water
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History of the Earth In the beginning…fainter Sun but Earth still had liquid water More greenhouse gases
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In the beginning…fainter Sun but Earth still had liquid water More greenhouse gases 30% dimmer History of the Earth
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In the beginning…fainter Sun but Earth still had liquid water More greenhouse gases Venus Earth Mars ? History of the Earth
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Jupiter, Saturn, Titan, Uranus and Neptune have: hydrogen methane (CH 4 ) helium ammonia (NH 3 ) More greenhouse gases Venus Earth Mars ? History of the Earth
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The greenhouse effect is: a) a potential environmental disaster b) caused by the presence of infrared (IR) absorbing present in a planet’s atmosphere c) the result of the burning of fossil fuels d) enhanced by the use of fertilizers to grow food
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The greenhouse effect is: a) a potential environmental disaster b) caused by the presence of infrared (IR) absorbing present in a planet’s atmosphere c) the result of the burning of fossil fuels d) enhanced by the use of fertilizers to grow food
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