Science / Mass Extinction And Climate Change Mass Extinction And
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database. Autor: anton 01 December 2010 Words: 1958 | Pages: 8
Mass extinction underway due to climate change and habitat loss
The greenhouse theory of climate change postulates that Earth's
average temperature will rise over time due to the increased
concentrations of certain gases within the atmosphere. Earth
derives its energy from the sun, but much of the sun's radiation
bounces back after reaching Earth. Some of this "bounced"
radiation strikes molecules of carbon dioxide, water vapor, and
other gases within the atmosphere, which results in the
retention of some of this energy within the atmosphere. Without
this effect, life on Earth would not be possible, since the
planet would be too cold to support life. Fossil records
indicate that variances in temperat