Question

which contributes to the physical weathering of rocks? growth of plant roots burial in sediment volcanic activity acid rain

Answer 1

Acid rain hastens the physical deterioration of rocks.

What is the physical weathering of rocks?

Rocks, minerals, and soils disintegrate through a process known as physical weathering, sometimes known as mechanical weathering. Abrasion is the main physical weathering process (the process of reducing the size of clasts and other particles).

Weathering physically comes in three different forms.

• Abrasion weathering: In this process, water and wind-borne pressures break down large rocks into tiny fragments.
• Exfoliation weathering causes rocks to crack and expand as pressure from unloading is released.
• During a frost wedge, rocks crack as a result of water freezing and expanding.

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