Answer:
Protons, Neutrons, and Electrons
Explanation:
About Subatomic particles: Subatomic particles include electrons, the negatively charged, almost massless particles that nevertheless account for most of the size of the atom, and they include the heavier building blocks of the small but very dense nucleus of the atom, the positively charged protons and the electrically neutral neutrons.
The percent composition of what? It should ask to find the percent composition of one of the parts like copper, sulfer, or water.
The correct answer is <span>Fusion Curve</span>
Should this not be in biology? But the answer is Endoplasmic reticulum

1) If the arrangement is symmetrical and the arrows are of equal length the molecule is nonpolar
2) If the arrows are of different lengths and if they do not balance each other the molecule is polar
3) If the arrangement is asymmetrical the molecule is polar