during the rock cycle, sediment is created when wind or water breaks down existing rocks. which process does…

Brief Explanations:

Weathering is the process by which wind, water, or other natural agents break down existing rocks into smaller particles (sediment). Erosion involves the movement of these sediments, and deposition is the process of sediments settling in a new location. The description in the question focuses on the breakdown of rocks, which is weathering.

Answer:

A. weathering