Howe Sound, British Columbia [1800×826][OC]
Picture found by the Ditpub “Beautiful World” searcher.
Original was/is available from http://imgur.com/aYPPlz4
Here are some definitions that might clarify something 🙂
In physics, sound is a vibration that propagates as a typically audible mechanical wave of pressure and displacement, through a medium such as air or water.
Published by DitPub on 2015-11-14 1:30:12, under the category “Beautiful World”
DitPub is a for-learning-&-fun-bot by Artur Marques