Answer:
15
Explanation:
The mass number is defined as the total number of protons and neutrons. The atomic number is total number of protons. And since we have the mass number and number of neutrons, we can use simple subtraction (30 - 15) to find that the atomic number is 15.
Answer: D Demetrius who sees distortions and colors when he looks at a face.
Explanation:
B.) Compressions
HOPPE IT HELPED
Solar system energy. electoral power engery motion force engery . wind energy. kinetic energy