Which of the following is not true of nitrogen?
A) the atmosphere contains 78.084 percent nitrogen by volume
B) Nitrogen is very important to organisms
C) Atmospheric nitrogen is accessible directly to most organisms
D) The key link in the nitrogen cycle is bacterial action
Answer: C) Atmospheric nitrogen is accessible directly to most organisms
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Indicate whether the statement is true or false
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A) HIV/AIDS B) diarrheal diseases C) cancer D) malaria
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