Answer:
Nucleus
Explanation:
The nucleus (or center) of an atom is made up of protons and neutrons.
How doth the little crocodile
At the minimum, a prepositional phrase will begin with a preposition and end with a noun, pronoun, gerund, or clause, the "object" of the preposition. In = preposition; the, weedy, overgrown = modifiers; garden = noun.
