Concerning Biogeochemical Cycles, All of the Following Are True EXCEPT

question 38

Multiple Choice

Concerning biogeochemical cycles, all of the following are true EXCEPT:

• A) Nearly half of nitrogen in the biosphere comes from anthropogenic sources.
• B) Carbon dioxide production by human industry has outpaced fixation.
• C) Most microbes can interconvert the six major elements, from one to another.
• D) Organisms acquire elements from abiotic sources or from other organisms.
• E) Metabolic interactions of microbes with biotic and abiotic environ is biogeochemistry.