Surrounding every moving electron is * O both a magnetic and an electric field
O none of these because the fields cancel out
O only an electric field
O only a magnetic field

Asimply means that over time there was some sort of change.

When you see distant streetlights through smog, they look dimmer and redder than they do normally. but when you see the same streetlights through fog or falling snow, they look dimmer but not redder. use your knowledge of the interstellar medium to discuss the relative sizes of the particles in smog, fog, and snowstorms compared to the wavelength of light.

What surface does the epithelial tissue cover? a. the surface of the body b. lines internal organs c. forms many glands d. all of the above