Answer :
I would say Frost Wedging because water must move, a physical act, and then in must freeze, also a physical act, and then the act of it freezing causes cracks known as frost wedging and that is definitely a physical act. Hope that helps!
An example of physical weathering has been frost wedging. Thus, option A is correct.
Physical weathering has been defined as the act of breaking of rocks under the influence of physical pressure. The physical weathering can be caused by slowly moving of water, plant roots or ice wedging.
In ice wedging or frost wedging, the water moves in the cracks of rocks and results in the expansion with conversion to solid state. The expansion results in the physical weathering of rocks.
Thus, an example of physical weathering has been frost wedging. Thus, option A is correct.
For more information about physical weathering, refer to the link:
https://brainly.com/question/14426457