Four friends, A, B, C, and D are standing varying distances away from a speaker which is producing sound waves. An illustration of a point labeled speaker with concentric circles spreading out from it. Every other circle is 1 more meter away from the source. 1 m is labeled A, 2 m is labeled B, 3 m is labeled C and 4 m is labeled D. Which person will most likely hear the loudest sound? A B C D.

The results of huy's eye exam show that he is nearsighted. which explanation should huy expect to hear? "you need convex lenses to shorten the distance that light takes to focus in your eyes." "you need concave lenses to shorten the distance that light takes to focus in your eyes." "you need convex lenses to lengthen the distance that light takes to focus in your eyes." "you need concave lenses to lengthen the distance that light takes to focus in your eyes."