The first evidence of erosion by water in the rock record occurred
A)4000 Ma.
B)3500 Ma.
C)2500 Ma.
D)3800 Ma.

Name: The first evidence of erosion by water in the rock record occurred A)4000 Ma. B)3500 Ma. C)2500 Ma. D)3800 Ma.
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The first evidence of erosion by water in the rock record occurred around 3800 million years ago (Ma), indicating the presence of liquid water and possibly the earliest weathering processes on Earth's surface.

The First Evidence of Erosion by Water in the Rock