<span>The atomic number of a neutral atom is equal to
the number of protons and the number of electrons of the atom. The atomic
weight meanwhile is equal to the sum of the number of protons and number of
neutrons. We add therefore the number of protons and number of neutrons </span>
Explanation:
D the substance get downeards
A 100-pound bag of makes 345 pounds of nitrogen with hydro
Xylem carries water and dissolved nutrients
The word biology comes from the Greek word <em>bios</em>, meaning life, and <em>logos</em>, meaning study.
