Question

100 points .....please answer it in the book and answer in table for project..

Answer 1

Humans can only hear sounds between 20 and 20,000 Hertz. Animals havedifferent ranges and may hear sounds we cannot. Loudness is the human perception of sound intensity.

Answer 2

Humans can hear from 20Hz to 2000Hz

dogs -67Hz to 45000Hz

mouse-91Hz-91000Hz

elephant-16 to 12000Hz

cat-45-64000

owl-200-12000

Hope that was helpful.