Choose the one alternative that best completes the statement or answers the question. -A sound of 40 decibels is

Choose the one alternative that best completes the statement or answers the question.
-A sound of 40 decibels is
A) twice as intense as a sound of 20 decibels.
B) 10 times as intense as a sound of 20 decibels.
C) 1000 times as intense as a sound of 20 decibels.
D) four times as intense as a sound of 20 decibels.
E) 100 times as intense as a sound of 20 decibels.

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