(C) Electron cloud
the electron cloud is formed by all the electrons in the atom
"Lipids<span> are like </span>carbohydrates<span> in way that the true fats contain only carbon, hydrogen, and oxygen. Both </span>carbohydrates and lipids<span> act as the main fuels and energy storage compounds of the human body. They are also called SACCHARIDES and grouped as: Monosaccharides, Disaccharides, Trisaccharides, Polysaccharides."
Source credit: </span>https://www.quora.com/What-are-the-differences-and-similarities-between-carbohydrates-and-lipids
mitochondria
im not 100% sure but it makes sense
The elements on the periodic table are arranged in order, by increasing atomic number.<span />