Which of the following pairs of organisms belong to the same population? A. a dog and a cat
B. a marigold and a geranium
C. a human mother and her child
D. a spider and a cockroach

B. would be the answer.

I hope this helps

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."