Question

Physical weathering of rocks is caused by which one of these factors?

• A. Burrowing by animals and insects.
• B. Chemical reactions within the rocks.
• C. Change in temperature.
• D. Plant rooting within rocks.

Answer 1

The correct option is C Change in temperature.

Physical changes such as a change in temperature, humidity or the slope of the land can cause weathering of rocks. Weathering that occurs due to such physical factors is known as Physical Weathering.