Answer the following this is SOUND TOPIC IN SCIENCE
_________________6. Sounds can travel best in (less dense, denser) substances air.
_________________7. The normal hearing range of humans.
_________________8. The unit used to measure the intensity or loudness of sound.
_________________9. The highness or lowness of a sound.
_________________10. The hearing range for bats.
_________________6. Sounds can travel best in (less dense, denser) substances air.
_________________7. The normal hearing range of humans.
_________________8. The unit used to measure the intensity or loudness of sound.
_________________9. The highness or lowness of a sound.
_________________10. The hearing range for bats.
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Answer:
denser
frequency range from about 20Hz to 20kHz
in units called Decibels (dB)
Pitch
range from 9kHz to 200 kHz