How did human activity, specifically whaling, affect the aquatic ecosystems where the kelp, sea otters, and killer whales lived?

the correct answer: the index of refraction of the second medium is lower i tried this persons answer and it was wrong this person is lying

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.

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."