Here the argument asks for co-relation of which does not help to proof of declining the population of amphibian versus the depletion of ozone layer in the atmosphere.
(A) Of the various types of radiation blocked by atmospheric ozone, UV-B is the only type that can damage genes.... Reason support for the decline in the amphibian population.
(B) Amphibian populations are declining far more rapidly than are the populations of non amphibian species whose tissues and eggs have more natural protection
...
(A) Of the various types of radiation blocked by atmospheric ozone, UV-B is the only type that can damage genes.... Reason support for the decline in the amphibian population.
(B) Amphibian populations are declining far more rapidly than are the populations of non amphibian species whose tissues and eggs have more natural protection
...
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