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ICSE Class 9 Geography Question 5 of 15

Weathering — Question 13

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Question

Question 13

Assertion (A): Weathering is described as 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.

  1. Both A and R are true and R is the correct explanation of A.
  2. Both A and R are true but R does not explain A.
  3. A is true but R is false.
  4. A is false but R is true.
Answer

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

Explanation — Weathering is described as disintegration or decomposition of a rock in size by natural agents at or near the surface of the earth. The disintegration or decomposition of rocks take place only by being exposed to changes in weather conditions like temperature, moisture, precipitation that disintegrate or break down the rocks.