GENERAL KNOWLEDGE

GK

WORLD GEOGRAPHY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Physical process of Erosion is ____
A
wearing down of rocks by wind and water
B
breaking of the Earth’s crust that causes a fault
C
movement of weathered materials by wind, ice, or water
D
mixing of weathered rock with decayed plant & animal material
Explanation: 

Detailed explanation-1: -Erosion is the geological process in which earthen materials are worn away and transported by natural forces such as wind or water. A similar process, weathering, breaks down or dissolves rock, but does not involve movement.

Detailed explanation-2: -Erosion is the physical removal and transportation of weathered material by water, wind, ice, or gravity. Mass wasting is the transfer or movement of rock or soil down slope primarily by gravity.

Detailed explanation-3: -Physical weathering is the breaking of rocks into smaller pieces. This can happen through exfoliation, freeze-thaw cycles, abrasion, root expansion, and wet-dry cycles. Exfoliation: When temperature of rocks rapidly changes that can expand or crack rocks.

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