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Assertion (A): Weathering is described as the disintegration or decomposition of a rock in size by natural agents at or near the surface of the earth. - Geography

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Question

Assertion (A): Weathering is described as the disintegration or decomposition of a rock in size by natural agents at or near the surface of the earth.

Reason (R): A rock undergoes disintegration or decomposition only by being exposed.

Options

  • Both A and R are true, and R is the correct explanation of A.

  • Both A and Rare true, but R does not explain A.

  • A is true, but R is false.

  • A is false, but R is true.

MCQ
Assertion and Reasoning
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Solution

Both A and R are true, and R is the correct explanation of A.

Explanation:

Weathering is the breakdown of rocks due to natural agents at or near the Earth’s surface. A rock only undergoes weathering when it is exposed to environmental factors like air, water, and temperature changes, which cause disintegration or decomposition. Therefore, the reason correctly explains the assertion.

 
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Chapter 9: Weathering - EXERCISES [Page 85]

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Morning Star Total Geography [English] Class 9 ICSE
Chapter 9 Weathering
EXERCISES | Q I. 13. | Page 85
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