4. In one to three paragraphs, describe dynamic changes that have occurred in the ecosystem
you chose. Consider whether your ecosystem is degraded, restored, or neither, and list
organisms that were once in the ecosystem but are no longer there.

it would be f

explanation:

that would be called plucking : )

explanation:

''plucking, also referred to as quarrying, is a glacial phenomenon that is responsible for the erosion and transportation of individual pieces of bedrock, especially large "joint blocks". as a glacier moves down a valley, friction causes the basal ice of the glacier to melt and infiltrate joints (cracks) in the bedrock."

answer; increases;