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Home Q & A Board Biology-Related Homework Help General Biology
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Tatu Tatu
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6 years ago
Four of the following were likely in Earth's earliest atmosphere. Which one was not?
  a. hydrogen
  b. nitrogen
  c. oxygen
  d. carbon dioxide
  e. water vapor

Question 2

The big bang refers to
  a. an event marking the beginning of the universe.
  b. the extinction of the dinosaurs.
  c. the inevitable end of the universe.
  d. the collision of the first galaxies forming the universe as it is today.
  e. the inevitable death of large stars.
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Kandygal17Kandygal17
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6 years ago
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Tatu Author
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#2
6 years ago
These are correct! Thank you very much!!!
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