Biology, 28.01.2020 14:51 emadrid76

Which of the following could cause a compass needle to point in a completely different direction ?

a. if the person holding it slowly spins in a complete circle.

b. if it is brought near a wire that carries electric current

c. if it is brought near a battery that is not connected to a circuit

d. if sunlight is allowed to strike it for over an hour

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Which of the following could cause a compass needle to point in a completely different direction ?...