Sound travels through waves, more specifically, through vibrations. They do not go from skull to ear, but they can go from ear to brain, or skull to brain. Ear to brain is simply vibrations traveling from outer ear, to inner ear, to the brain. Skull to brain, otherwise known as "bone conduction", has the vibrations hitting the skull, then to the temproal bone, then to the inner ear where the brain picks it up.
D, all of these are voltage sources. A battery can power small things, generators can power larger things, and outlets can charge, or power things.
Answer:
Alternating current will produced by a wire breaking magnetic field lines and changing the polarity.
Explanation:
Answer:
They would decline
Explanation:
They would either migrate, or die.