Seudónimo Seudónimo
  • 02-01-2017
  • Chemistry
contestada

Greenhouse gases make up what percentage of Earth's atmosphere? A. less than 1% B. between 1% and 5% C. between 5% and 20% D. over 20%

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margaretjohnson
margaretjohnson margaretjohnson
  • 02-01-2017
the correct answer is C
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