Answer:
The answer is Atom.
Explanation:
The atom is the smallest constituent unit of matter that has the properties of a chemical element and that it is not possible to divide by chemical processes. The atom is formed by a nucleus with protons and neutrons and several orbital electrons (subatomic particles); whose number varies according to the chemical element. Atoms combine to form molecules that then interact to form solids, liquids and gases.
Depend if you are more creative or more a solver(good in math).
The answer is C I don’t think this needs more explanation but if needed just ask!
The answer is d. atmosphere < leaves < roots < soil
