Question

(f
(b) A process which wears down the rocks.
(g
(
(c) The breaking up of exposed rocks due to change
in temperature, frost, plants and winds.
(d) Unequal heating causes expansion in rocks
resulting in breakdown of rocks.​

Answer 1

Answer:

b) Weathering

1. Weathering is the breaking down or dissolving of rocks and minerals on Earths surface. Once a rock has been broken down, a process called erosion transports the bits of rock and minerals away. Water, acids, salt, plants, animals, and changes in temperature are all agents of weathering and erosion.
2. The breaking up and decay of exposed rocks by temperature changes, frost action, plants, animals and human activity is called weathering. Biological weathering in which living or once-living organisms contribute to weathering can be a part of both processes.
3. Exfoliation can occur due to several processes. Unloading or release of stress in a rock that produces expansion joints can cause exfoliation. A reduction in stress occurs when rocks previously buried deeply are exposed due to erosion of overlying rocks, or when ice sheets that bury rocks melt.

Answer 2

Answer:

Weathering

Weathering is the breaking down or dissolving of rocks and minerals on Earths surface. Once a rock has been broken down, a process called erosion transports the bits of rock and minerals away. Water, acids, salt, plants, animals, and changes in temperature are all agents of weathering and erosion.