Need help ASAP marking brainllest

science-ocean floors and habitats study guide by volleyballqueen3817 a major advance in ocean-floor mapping. list four sections of the ocean floor. algae that use sunlight to produce their own food through photosynthesis. all of the feeding relationships that exist in a habitat. drying out, predators, find food.

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

c should be the answer