Question

what is block disintegration in geography ​

Answer 1

Answer:

Block disintegration is common over well jointed granite in Hong Kong. In daytime, intense solar heating causes rocks to expand. At night, the temperature falls so rocks cool and contrast. Repeated expansion and contraction produce stress along joints.

Answer 2

Answer:

repeated expansion and contraction of rocks during day and night respectively causes stress on the joints of the rocks which result in block disintegration