Earths Resources - Atmosphere Flashcards

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1
Q

natural greenhouse effect

A

the process by which radiation reflected from the earths surface is absorbed by gases in the atmosphere and prevented from escaping into space, thus keeping the earth warmer than it would otherwise be.

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2
Q

enhanced greenhouse effect

A

the enhancement of the natural greenhouse effect through man-made emissions of greenhouse gases, trapping increasing quantities of heat

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3
Q

composition of the atmosphere

A
  • nitrogen, N (78%)
  • oxygen, O (21%)
  • argon, Ar (0.9%)
  • other gases (0.1%) include: carbon dioxide, methane, water vapor, and neon
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