The largest reservoir of methane is found

A) trapped under permafrost and marine sediments.
B) in the rumen of cows and other ruminant animals.
C) in the atmosphere.
D) trapped in volcanic rocks.


Answer: A

Biology & Microbiology

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The gametophyte is the dominant stage in the life cycle for which of the following plant groups?

a. club mosses b. whisk ferns c. ferns d. horsetails e. liverworts

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How do eukaryotic and prokaryotic control of gene expression differ?

What will be an ideal response?

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It is difficult to make a vaccine against HIV because

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