ibbibhat ibbibhat

09-03-2017
Biology

contestada

a sound at 50 dB exerts a pressure that is how many times greater than a sound at 30 dB
a).10
b).100
c).1000
d).10,000

Respuesta :

Jayland Jayland

09-03-2017

A sound at 50 dB exerts a pressure that is how many times greater than a sound at 30 dB
a).10
b).100
c).1000
d).10,000

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