Answer:
Away from the ridge, where the sea floor is older and has more time to accumulate; also much thickest near continents
Explanation:
this is called eutrophication
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Eutrophication, the gradual increase in the concentration of phosphorus, nitrogen, and other plant nutrients in an aging aquatic ecosystem such as a lake. The productivity or fertility of such an ecosystem naturally increases as the amount of organic material that can be broken down into nutrients increases. This material enters the ecosystem primarily by runoff from land that carries debris and products of the reproduction and death of terrestrial organisms. Water blooms, or great concentrations of algae and microscopic organisms, often develop on the surface, preventing the light penetration and oxygen absorption necessary for underwater life. Eutrophic waters are often murky and may support fewer large animals, such as fish and birds, than non-eutrophic waters. hope it it is good to go
2 - B
3 - E
1 - E
Dhsjhd HSHSHSHS I’m not sure about the other
Because those areas are very fertile for crop growth, and water is easily avaolable
