Which of these contributes to pollution, especially from the mining of gold?

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.

not only is it colder, it also becomes darker, less salty, and more dense.