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Which is an example of physical weathering?

limestone in rock dissolving when acid rain flows across it

bits of rock rusting when exposed to oxygen and water

wind blowing off bits of a rock over time

oxidation of certain metals in rock

Respuesta :

answer: bits of rock rusting when exposed to oxygen and water

Explanation: i think because when it rains the water is left and freezes and night making the rock expand or start to Rust

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