Physics

Olive Powers

8 April, 19:27

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.