Seudónimo Seudónimo
  • 30-05-2017
  • Biology
contestada

Describe the organism that scientists believe was responsible for changing the composition of the early atmosphere. What was it called and how did it change did it change the atmosphere? Why was the change to the atmosphere so important?

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SourUmbrella
SourUmbrella SourUmbrella
  • 08-06-2017
It was the plants around us. They give us air to breath. It was to help us breath so we can live.
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