GENERAL KNOWLEDGE

GK

WORLD GEOGRAPHY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following examples illustrates the difference between physical weathering and chemical weathering?
A
Beaches form from the sediments washed up by the sea due to physical weathering, but they erode away due to chemical weathering.
B
A rock with iron in it is exposed to air and crumbles because of physical weathering, but the same rock crushed by a larger rock breaks apart due to chemical weathering.
C
Minerals in water wear away at rock because of physical weathering, but the rock wears away from the force of the water due to chemical weathering.
D
A rock is broken into smaller pieces by physical weathering, but some cave formations are created by chemical weathering.
Explanation: 

Detailed explanation-1: -Abrasion: Abrasion is the process by which clasts are broken through direct collisions with other clasts. Frost Wedging: Biological Activity/Root Wedging: Salt Crystal Growth: Sheeting: Thermal Expansion: Works Cited. 08-Jun-2020

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