Multiple Choice
Methane gas contributes to the greenhouse effect that is raising atmospheric temperatures. A large portion of all methane emission is from grazing cattle because cows harbor methane-producing archaea from the _______ group.
A) Crenarchaeota
B) Euryarchaeota
C) Anarchaeota
D) Proteobacteria
E) Nanoarchaeota
Correct Answer:

Verified
Correct Answer:
Verified
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