Which is the best evidence that rocks found deep underground were once exposed at the surface?
The rocks have been melted by a magma. The rocks have been broken by faults. The rocks have been weathered by water. The rocks have been folded by pressure.
Question: Which is the best evidence that rocks found deep underground were once exposed at the surface?
A. The rocks have been melted by a magma.
B. The rocks have been broken by faults.
C. The rocks have been weathered by water.
D. The rocks have been folded by pressure.
Answer: