Humans obtain nitrogen by eating other organisms.
Answer:how much alligators are we talking about
Explanation:
There are two broad classes of seismic waves: body waves and surface waves. Body waves travel within the body of Earth. They include P, or primary, waves and S, or secondary, waves. P waves cause the ground to compress and expand, that is, to move back and forth, in the direction of travel.
Answer:
D.
holds the bones of the skeleton together
Explanation:
Chloroplast contains the chlorophyll necessary for photosynthesis