Question

What is frost action

Answer 1

The weathering process caused by cycles of freezing and thawing of water in surface pores, cracks, and other openings. Alternate or repeated cycles of freezing and thawing of water contained in materials; the term is especially applied to disruptive effects of this action.

Answer 2

frost action

Answer:

It is another cause of physical weathering. In the middle latitudes temperature may be above freezing point during daytime and below freezing point during night .Water which is present in the joints and fissures in the rocks ,gets frozen into ice during night . Freezing of water results in expansion in volume and the fissures get widened.Frost action shatters even the strongest rocks to form angular pieces with sharp edges or corners