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As temperature changes, rocks expand and
contract. The rocks eventually break into
smaller pieces. Which process accounts for
this expansion and contraction of rocks?

Respuesta :

quasarJose

Answer:

Thermal heating and cooling

Explanation:

This process described results from thermal heating and cooling as a mechanism of mechanical weathering of rock bodies.

  • It is often more pronounced in the arid regions of the world where there is a significant difference between day and night temperatures.
  • With mechanical weathering, rocks are broken down into fragments by physical disintegration.
  • During the day, the high temperature causes the rock to expand significantly.
  • At night, the rock contracts and on the long run, joints and fractures begins to appear on the rock surface.

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