The howler monkey is the loudest land animal and can be heard up to a distance of 9.8 km. Assume the acoustic output of a howler to be uniform in all directions
The distance at which the intensity level of a howler's call is 25 dB, in SI units, is closest to: A) 550
B) 660
C) 830
D) 940
E) 1,100
A
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