A ______ or cave is a natural underground space large enough for a human to enter. These openings form naturally by the weathering of rock and can extend deep underground.

A) Cavern
B) valley
C) canyon
D) sink hole​

Respuesta :

Answer:

Cavern is the answer

option A

Answer:

A) Cavern

Explanation:

A cavern is essentially the same thing as a cave, but are typically large and deep and formed by the weathering of the rocks around it.