Multiple Choice
What is methanogen?
A) An organism adapted to life in a highly salty environment
B) An organism that produces a highly salted substance
C) An organism adapted to life in a methane gas environment
D) An organism that produces methane gas as a metabolic by-product
E) An organism that produces methane and carbon dioxide as a metabolic by-product
Correct Answer:

Verified
Correct Answer:
Verified
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