A student claims that Earth has a magnetic field. Which evidence would best support the student's claim?
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1 point
The student creates a working circuit that illuminates a bulb using wire and a battery.
The student turns in all directions with a compass and the needle always points north.
The student receives a shock after walking across the carpet and touching a doorknob.
The student rolls a ball down a large hill and the ball comes to a complete stop at the bottom.