(a) cattle yard
(b) polluted stream
(c) hot spring
(d) sulphur rock
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Organisms called methanogens are most abundant in a
Organisms called methanogens are most abundant in a
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Correct Option (a) Reason : Methanogens are present in the gut of several ruminants animals such as cows and buffaloes and they are responsible for the production of methane (biogas) from the dung of these animals. Thus, they are most abundant in a cattle yard.