Chapter 13 Earth as a System: Energy, Matter, and Life - Part 2

What is physical (mechanical) weathering?

Type: MCQ • Marks: 1
What is physical (mechanical) weathering?
Options
A. Bacterial decay
B. Converting rock into new minerals via acid reactions
C. Photosynthesis in rocks
D. Breakdown of rocks into smaller fragments without changing their chemical composition
Explanation
Physical weathering splits rocks mechanically via temperature changes or frost wedging.
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Class 9th Science (MCQ)

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