The limit of ecosystems to give advantages to people, that is to give biological community administrations, gets from natural cycles of water, nitrogen, carbon, and phosphorus. These procedures have now and again been altogether altered by human movement. Changes have been quicker in the second 50% of the twentieth century than at some other time in recorded mankind's history.
Option D, Ammonia.
A compound means that there are multiple atoms bonded together. Chlorine, Nitrogen and Uranium are all individual atoms, and therefore can't be labeled as compounds.
Good luck!
-T.B.
Answer:idk im so sorry if only there where a way to give back the points im sorry!
