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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In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?

Electroplating is a way to coat a complex metal object with a very thin (and hence inexpensive) layer of a precious metal, such as silver or gold. in essence the metal object is made the cathode of an electrolytic cell in which the precious metal cations are dissolved in aqueous solution. suppose a current of 480.ma is passed through an electroplating cell with an aqueous solution of agno3 in the cathode compartment for 46.0 seconds. calculate the mass of pure silver deposited on a metal object made into the cathode of the cell. round your answer to 3 significant digits. also, be sure your answer contains a unit symbol. ×10μ

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves