Which of the Following Statements Are Correct Regarding Nitrogen Fixation

question 3

Multiple Choice

Which of the following statements are correct regarding nitrogen fixation in subtropical ocean gyres?

• A) Nitrogen fixation does occur in subtropical ocean gyres
• B) Nitrogen fixation does NOT occur in subtropical ocean gyres
• C) Sulfate reduces the rate of nitrogen fixation in subtropical ocean gyres
• D) Phytoplankton in subtropical ocean gyres are small but highly abundant

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