Part D The left and right side of the electromagnet are its magnetic poles. The north pole of the compass needle is red. Move the
compass around the wire coil. Which side of the electromagnet is its south pole? Which side is its north pole?

Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.