What particle flows to produce electric current

a. nuclei
b. protons
c. electrons
d. ohms

Akg a of 55 m at an of 11 ? . if is at 98 km/h,be ?

I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.

If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.