system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: If our coastline is eroding, does that mean over thousands of years the whole earth with erode?
gpt
Erosion is just one method of changing the surface of the Earth. The material that is eroded from coastlines and mountains is deposited on planes and in the ocean. There is also subduction and obduction of the techtonic plates forming mountains ridges and oceans. All in all the material on Earth will not leave.