
The nitrogen in our atmosphere is only usable to us after it is converted to
A) ammonia.
B) amino acids.
C) fertilizer.
D) nitrous oxide.
E) oxygen.
Correct Answer:
Verified
Q22: Atmospheric nitrogen is
A) used directly by plants.
B)
Q23: The organisms that convert carbon dioxide into
Q24: Next to carbon and oxygen, the element
Q25: The sulfur cycle is similar to the
Q26: During anaerobic decomposition of organic matter with
Q28: The carbon cycle revolves around
A) nitrogen.
B) carbon
Q29: Azotobacter
A) are the chief suppliers of fixed
Q30: Turning inorganic carbon into organic carbon is
Q31: Nitrogen is
A) an important constituent of carbohydrates
Q32: The organisms that obtain energy by oxidation
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