Official 16 Lec 1
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Question 2 of 6
The professor mentions parts of the process involved in the formation of Lechugilla Cave. Indicate which of the statements below describe part of the process.

A.

Gypsum residue accumulated to form decorative structures

B.

Gas generated by bacteria reacted with gypsum deposits

C.

Hydrogen sulfide gas mixed with underground water

D.

Acid dissolved parts of the limestone

E.

Bactena fed on underground oil

F.

Flowing surface water enlarged the cracks in the limestone

我的答案:

正确答案:ACDE

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