Answer:
A group of protons and neutrons that are surrounded by electrons I think that's the answer...
Explanation:
Answer:
a proton because it has a positive charge
Answer:
Ohms law states that current is directly proportional to the potential difference across the ends of a conductor provided that temperature and other factors kept constant

According to Hooke's Law formula. The force is proportional to the displacement of the spring. I believe
Atmospheric refraction is the deviation of light or other electromagnetic wave from a straight line as it passes through the atmosphere due to the variation in air density as a function of height. ... Refraction not only affects visible light rays, but all electromagnetic radiation, although in varying degrees.
So in short, the answer is D.
(My answer got deleted because it didnt explain which is dumb)