Hydrocarbons,polycyclic aromatic hydrocarbons
<span>They are proteins that are secreted from fat cells to help regulate energy balance.</span>
1859
On the Origin of Species (or more completely, On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life), published on 24 November 1859, is a work of scientific literature by Charles Darwin which is considered to be the foundation of evolutionary biology.
The answer is b because it's morphological
Because of the moons gravitational pull, is strong enough to pull the ocean around... I hope that helps!
