A 2.0 mm ×× 4.0 mm flat carpet acquires a uniformly distributed charge of −−10 μCμC after you and your friends walk across it several times. A 6.0 μgμg dust particle is suspended in

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.