In weathering, large variation between day and night temperatures cause

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Larger spaces in the soil

More water logging capability

Continuous expansion and contraction of rocks

Extreme cold weather

answer is C.

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Detailed Solution

Continuous expansion and contraction of rocks is caused by large variation between day and night temperatures in weathering.
The rocks expand throughout the day and contract during the night due to the significant difference in temperature between day and night. Since the rocks are constantly expanding and contracting, weathering results in their cracking and crumbling. Mechanical weathering can also be influenced by temperature fluctuations. Rock expands in the presence of heat and contracts in the presence of cold. The rock's structure deteriorates as this occurs repeatedly. Over time, it breaks down. The Earth's surface is broken down into tiny bits via weathering. Through a process known as erosion, the fragments are transferred and dumped somewhere. Wind, water, ice, plants, gravity, and temperature fluctuations can all contribute to weathering.

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