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

Responses

oxidation of certain metals in rock
oxidation of certain metals in rock

limestone in rock dissolving when acid rain flows across it
limestone in rock dissolving when acid rain flows across it

wind blowing off bits of a rock over time
wind blowing off bits of a rock over time

bits of rock rusting when exposed to oxygen and water

wind blowing off bits of a rock over time