The water particle are moving faster which cause the to expand
Two factors infuence the regions photosynthetic productivity which would be the amount of solar radiation and the availability of nutrients because solar radiation is needed as well as nutrients which keeps the plant healthy
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When the ocean produces oxygen through the plants (phytoplankton, kelp, and algal plankton) that live in it. These plants then produce oxygen as a byproduct of photosynthesis, which is a process that converts carbon dioxide and sunlight into sugars that the organisms can use for energy then and later on.
Explanation: