Official 54 Lec 2
Question 3 of 6
What did researchers try to confirm about rivers in a recent study?

A.

That rivers now have the same shape worldwide

B.

That rivers were responsible for the spread of plant life

C.

That a change in the shape of rivers is linked to the spread of plant life

D.

That most rivers emerged during a specific geological time period

正确答案:C

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