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Physics CBSE Live product
Class 7 (2026-27)
Changes around us: Physical and Chemical
Slow Natural changes
1.
Weathering of rocks and erosion
Question:
2
m.
Choose the right answer:
1.
What is the main result of weathering?
Burning of rocks
Large rocks break into smaller pieces
Melting of mountains
Formation of new metals
2.
Which of the following can slowly crack rocks over many years?
Roots of growing plants
Plastic bottles
Electric wires
Wooden tables
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