Which energy transformation occurs after you eat a cookie? 1. Mechanical energy transforms into gravitational energy 2. Thermal energy transforms into magnetic energy 3. Chemical energy transforms into thermal energy 4. Sound energy transforms into chemical energy

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.