Select the correct answer.
which statement is true about the loudness of sound?
a.
it is directly proportional to the distance of the listener from the source.
b.
it is inversely proportional to the square of the distance of the listener from the source.
c.
it is directly proportional to the square of the distance between the listener from the sou
d.
it is inversely proportional to the distance between the listener from the source.
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if a star is moving toward earth, its light waves appear to be squeezed together. hope it

i guess that visual aids present persuasive examples to what you are presenting, some factors would be theme (does it fit with the color, information, what you are presenting), size (can you see it, is it a big enough span of data/information), and overall look of the visual aid.

hope this : )

answer; (d) spontaneous processes are characterized by the overall conversion of order to disorder;

terd muffin is the correct answer