Photosynthesis introduces into the ocean.

The process of photosynthesis helps to produce oxygen in ocean by the help of blue green algae, phytoplankton. Like other plants, they also do photosynthesis , that uses sunlight and carbon dioxide to make food. ... This oxygen gets mixed into the ocean and helps the aquatic animals to survive.

Hope this helps.

btw this isn't my answer, it's a previous answer from another question but unfortunately i can't post the link. :/

hi, natural selection of the peppered moth during the industrial revolution in 19th-century england is an example of an outlier in the study of evolution. during this time, pollution from factories filled the forests, coating trees in a layer of soot—turning white trees black

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