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apich apich
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6 years ago

The newly-formed Earths atmosphere was very different from Earths current atmosphere
  because it had
  a. virtually no nitrogen, the major component of todays atmosphere.
  b. an enormous amount of carbon dioxide, resulting in very hot temperatures due to
  greenhouse effect.
  c. virtually no oxygen, a necessary component for the existence of animal life.
  d. an enormous amount of methane and ammonia, which was never lost by the
  atmospheres of the outer planets.
  e. an abundance of mercury vapor
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#1
6 years ago
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apich Author
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#2
6 years ago
Happy Dummy I'm impressed
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