The chemical or mechanical processes by which rocks when exposed to the weather undergo changes in character and break down are called? gravity sedimentation weathering magma

weathering

Explanation:

the rocks due to rain generate cracks . heat and wind helps the rock to break into smaller chunks .

this process continuous till the rock is converted into sand. and is called weathering

frequency, z, and the collision density, z, in carbon dioxide (co2), r 180 pm at 30 °c and 120 kpa

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