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(A)In the future, there will be more violent climatic fluctuations.
(B)Space exploration plays an interesting role in testing out theories of climatic change.
(C)There may be instabilities connected with the amount of pack ice in the Arctic and Antarctic.
(D)Industrial pollution can diminish the amount of sunlight that falls on the surface of the earth.
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統計: A(21), B(21), C(34), D(12), E(0) #1192144
統計: A(21), B(21), C(34), D(12), E(0) #1192144