Read the \( \quad \) statements regarding methanogens and select the correct option: A. They are...

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Read the \( \quad \) statements regarding methanogens and select the correct option:
A. They are included in the group Archaebacteria
B. They are responsible for the production of biogas in gobar gas plants
C. They live in hot sulphur springs
D. They are strictly anaerobic
(A) Statements \( A \) and \( B \) are correct
(B) Statements A, B and D correct
(C) Statements B, C and D are correct
(D) All statements are correct
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