The methanogenic archaeans are ____ that pull electrons from ____
a. chemoautotrophs; oxygen
b. chemoheterotrophs; carbon dioxide
c. chemoautotrophs; water
d. chemoheterotrophs; methane
e. chemoautotrophs; hydrogen gas
ANSWER: e
Biology & Microbiology
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Indicate whether the statement is true or false.
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a. true b. false
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