A student sets up the investigation shown below. Water is poured over the sand. Duy Clear container with sand sprinkled with colored powder Colored water flows across the sand and into the water. Water What does the movement of colored water across the sand into the water best model? < PREVIOUS O2 4 Os​

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.