Which of the following statements about stalactites is NOT true?
A) In mature stages, they resemble large icicles and grow when water drips along the outside.
B) They are composed of the rock travertine and are hollow inside.
C) In their early stages, they are tube- like and grow when water drips through the inside and deposits calcium carbonate at the end.
D) They form as groundwater seeps into the roof of a cave and evaporates or releases carbon dioxide.
Correct Answer:
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