Final answer:
Waves pounding rocks on an ocean beach, a river carrying small rocks down a mountain, a marsh becoming drier as its water evaporates, and underground water dissolving limestone to form a cave are examples of weathering or erosion from water.
Step-by-step explanation:
The events that are examples of weathering or erosion from water include waves pounding rocks on an ocean beach, a river carrying small rocks down a mountain, a marsh becoming drier as its water evaporates, and underground water dissolving limestone to form a cave.