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The methanogens, producers of methane gas, require environments that:

A. have sunlight.
B. are very acidic.
C. have abundant oxygen and CO2.
D. are extremely cold.
E. are anaerobic with hydrogen gas and CO2.

1 Answer

4 votes
The methanogens producers of methane gas, require environments that
are anaerobic with hydrogen gas and CO2. Option E
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