When nitrate is reduced to dinitrogen gas (n2), nitrogen is removed from the ecosystem and returned to the atmosphere through a series of reactions collectively known as?

Asap i will reward you brainliest for best which sentence about protists is accurate? all protists are unicellular and microscopic in nature. they have organelles, so protists are eukaryotic in nature. all protists make their own energy through photosynthesis.

How will you manage your time to accomplish the necessary tasks both on the job and at home?

When you run, you begin to breathe heavier and faster. your heart beats more quickly, bringing more oxygen to your cells. which organ systems are working together here?