If an atom has 16 protons, 14 neutrons, and 19 electrons, what is the atom's electrical charge? A +2
B.-3
C.-2
D.-5

Explain using examples, what is simple harmonic motion and why it is an important area of study in physics.

Which of the following are properties of mechanical waves? check all that apply ⭕️ particles of the medium move back and fourth, but do not move with the wave. ⭕️ the particles of the medium always move parallel to the wave motion. ⭕️ wave motion begins with a disturbance in the medium. ⭕️ waves transport energy from a source outward, away from the source.

The mini-refrigerator fire was most likely caused by what type of wiring?