I think the correct answer from the choices listed above is option D.It is the NH2 group that is present in amine compounds. Amines<span> are formally derivatives of ammonia, wherein one or more hydrogen atoms have been replaced by a substituent such as an alkyl or aryl group.</span>
Drag is another one i actually did this project in 5th grade so i know some of this hope this helps.
C, bushes and shrubs, mosses, lichens, grasses and annual flowers, trees
hope I helped