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1. Sound waves produced by a vibrating object are _____. 2. Loudness is the human perception of sound wave _____. 3. The process of detecting objects by bouncing sounds off them is called _____.
answered
Jul 31, 2017
Physics
high-school
5
votes
201k
views
What is a chromosome
answered
Apr 10, 2017
Physics
high-school
4
votes
49.9k
views
Select all that apply. _____ is a place where the crust of the lithosphere has fractured. A fault A subduction zone An oceanic trench A river
answered
Oct 27, 2016
Physics
high-school
7
votes
133k
views
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