This balm is very gentle on the skin.

The erosion of the coastline is progressing.

They invaded our territory.

The coastline has changed shape due to years of erosion.

The coastline is gradually changing its shape due to the erosion by waves.

This metal is undergoing corrosion.

Acid rain corrodes the surface of buildings.

He is studying the history of male homosexuality.

It's my habit to eat a midnight snack every night.

He was arrested on suspicion of involvement in corruption.