Official 26 Lec 2
答题结果:0/6
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Question 3 of 6
According to the professor, why is it surprising that many marine plants are able to survive near the surface of oceans?

A.

Weather conditions near the surface disrupt certain life processes.

B.

The salt content of surface waters is constantly changing.

C.

Surface waters contain low quantities of zinc.

D.

Surface waters absorb large amounts of carbon dioxide.

我的答案:

正确答案:C

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