Which is an example of physical weathering?(1 point)

Question

Responses

oxygen interacting with minerals in rock
oxygen interacting with minerals in rock

acid rain breaking down compounds in rock statues
acid rain breaking down compounds in rock statues

bits of iron in rock rusting when exposed to oxygen and water
bits of iron in rock rusting when exposed to oxygen and water

rock breaking apart when it falls from a cliff

Answer 1

The example of physical weathering is:

rock breaking apart when it falls from a cliff.

Physical weathering involves the mechanical breakdown of rocks into smaller pieces without changing their chemical composition.

Answer 2

Which is an example of chemical weathering?(1 point)
Responses

burrowing animals digging a home in rock
burrowing animals digging a home in rock

rock breaking apart during a rock slide
rock breaking apart during a rock slide

a crack in rock growing larger as water freezes in it
a crack in rock growing larger as water freezes in it

decomposition of rock when exposed to acidic plants