earth_history

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

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Unformatted text preview: History of the Earth History of the Earth In the beginningfainter Sun but Earth still had liquid water History of the Earth In the beginningfainter Sun but Earth still had liquid water More greenhouse gases In the beginningfainter Sun but Earth still had liquid water More greenhouse gases 30% dimmer History of the Earth In the beginningfainter Sun but Earth still had liquid water More greenhouse gases Venus Earth Mars ? History of the Earth 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 The greenhouse effect is: a) a potential environmental disaster b) caused by the presence of infrared (IR) absorbing present in a planets atmosphere c) the result of the burning of fossil fuels d) enhanced by the use of fertilizers to grow food The greenhouse effect is: a) a potential environmental disaster b) caused by the presence of infrared (IR) absorbing present in a planets atmosphere c) the result of the burning of fossil fuels d) enhanced by the use of fertilizers to grow food The Earths climate has been rather stable...
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This note was uploaded on 05/06/2008 for the course ATOC 1060 taught by Professor Keen,richa during the Spring '07 term at Colorado.

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

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