Which of the Following Statements About Biogeochemical Cycles Is True

question 26

Multiple Choice

Which of the following statements about biogeochemical cycles is true

• A)Not all living microbes require carbon.
• B)Nitrogen fixing bacteria must be in association with legumes.
• C)Thiobacillus oxidizes hydrogen sulfide to sulfuric acid.
• D)Cyanobacteria are the primary symbiotic nitrogen fixer.

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