I just took a test in school today. What question was I asked?

Question I was asked: An element with which property would be best to use in electrical wiring?

I just took a test in school today. What question was I asked?

Question I was asked: Why are seals able to live off the coast of Antarctica while frogs, snakes, and panthers are not?

I just took a test in school today. What question was I asked?

Question I was asked:
What best describes the mantle of Earth?