Respuesta :
Physical weathering is when weather or other natural things break something down. ( Wind and rain wearing down a rock into a different shape) Chemical weathering is when something is changed or worn down by unnatural resources. (Oil stains on a tree due to a spill )
Answer:
In chemical weathering, the composition of the weathered substance is changed.
Explanation:
Weathering processes crack, wear away, and weaken rocks. ... Physical and chemical weathering degrade rocks in different ways. While physical weathering breaks down a rock's physical structure, chemical weathering alters a rock's chemical composition. Welcome.