Answer:
The atom
Explanation:
The basic unit of matter is the "atom." All matter consists of millions of atoms that within the atom contains electrons, protons, and neutrons. Knowing how many electrons, protons, and neutrons a atom has can determine the element which are substances that are on the periodic table.
Hope this helps.
People get Chicken pox just by contact. It is a contagious disease in other words, an air borne disease.
D neither a nor b is right
I will feel kinda clam and relax
