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Which of the following is a major source of nitrogen in the atmosphere? A) meteorite collisions B) photosynthesis C) the breakdown of ozone D) decay of organic matter E) chlorofluorocarbons

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Which of the following is a major source of nitrogen in the atmosphere?
A) meteorite collisions
B) photosynthesis
C) the breakdown of ozone
D) decay of organic matter
E) chlorofluorocarbons

 
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