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Question 5 of 6
What does the professor imply about ice crystals with a large number of branches?

A.

They help block harmful radiation from the Sun

B.

They form as a result of complex reactions with ozone

C.

They contribute to a reduction in ground-level ozone

D.

They have a thinner quasi-liquid layer than ice crystals with fewer branches

我的答案:

正确答案:C

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