Where does most of the mass of the universe come from? In ordinary matter, most of the mass is contained in atoms, and the majority of the mass of an atom resides in the nucleus, made of protons and neutrons. Protons and neutrons are each made of three quarks.
Robert Hooke deterred that all animals were made of cells
I believe the answer is A (it was on another Brainly question as well).
Answer:
D
Explanation:
I think but it is an better attempt than the other guy answer.
