Which of the following processes that absorbed nitrates and ammonia into organic nitrogen? * Ammonification
Nitrogen fixation
Nitrification.
Nitrogen assimilation

the oceanic zone is typically defined as the area of the ocean lying beyond the continental shelf, but operationally is often referred to as beginning where the water depths drop to below 100 meters (328 feet), seaward from the coast to the open ocean.

explanation:

it takes hundreds of years to become stable.

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