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Question 6 of 6
What does the professor mean when he says this:

A.

Lechuguilia Cave is not completely absent of water

B.

Lechuguilia Cave is not totally safe to explore

C.

Water long ago flowed through Lechuguilia Cave

D.

Scientists do not agree about how Lechuguilia Cave was formed

我的答案:

正确答案:A

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