Nitrogen fixation is a process that changes plant and soil into nitrogen compounds. a.) nitrates. b.)nitrogen c.) oxegen d.) ammonia

Answer

Option D - Nitrogen fixation is a process that changes plant and soil  Ammonia into nitrogen.

Explanation

Nitrogen fixation is a chemical process in plant which of nitrogen in the soil that plants converted into ammonia and nitrogenous compounds. This is mainly food source for plants under microscopic view. The atmospheric nitrogen is useless and relatively it is non-reactive. Nitrogen fixation is beneficial for plants as it the important source of nitrogen which is required for the soil and for plants growth.

d

Explanation:

the reason the two sea urchins don't compete with each other for food, resources, etc. is because the urchins have adapted to the environment but they have also adapted to each other. this is most likely because the genes of the sea urchins.

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