Which of the Following Is Not Correct Regarding Nitrogen

question 84

Multiple Choice

Which of the following is not correct regarding nitrogen?

• A)The atmosphere contains about 78% nitrogen.
• B)Bacterial action is key to the nitrogen cycle.
• C)Atmospheric nitrogen is accessible directly to most organisms.
• D)Nitrogen is very important to organisms.
• E)Over fertilization of agricultural fields with synthetic nitrogen has led to water pollution.

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