Which of the following are true about electric motors? A. An armature spins to create kinetic energy.

B. All of these are correct.

C. A horseshoe magnet drives the spin of the armature.

D. The direction of the current is changing direction over and over.

i think slash and

the answer is b because, investigating whether another species of moth also drinks tears might be interesting, but it would not directly explain why this species of moth does.

to explain why this species of moth drinks tears, the scientist could ask: "what nutrients that moths need are in elephant tears? "

the scientist could experiment with moth repellent or oter ways to keep the moths away, but that would not answer his original question.