
Biology 11th Edition by Cecie Starr ,Ralph Taggart
Edition 11ISBN: 978-0495106784
Biology 11th Edition by Cecie Starr ,Ralph Taggart
Edition 11ISBN: 978-0495106784 Exercise 4
An abundance of_in the atmosphere would have prevented the spontaneous (abiotic) assembly of organic compounds on the early Earth.
A) hydrogen
B) methane
C) oxygen
D) nitrogen
A) hydrogen
B) methane
C) oxygen
D) nitrogen
Explanation
a.
Oxygen:
Oxygen is available in free...
Biology 11th Edition by Cecie Starr ,Ralph Taggart
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