1 In sound waves, energy is transferred through vibration of air particles or particles of a solid through which the sound travels. 2  In water waves, energy is transferred through the vibration of the water particles. In sound waves, energy is transferred through vibration of air particles or particles of a solid through which the sound travels. 2  In water waves, energy is transferred through the vibration of the water particles.
The 2016 Longmont, Colorado, population is 92,088. There are 3,379 people per square mile (population density).
Longview is a city in Cowlitz County, Washington, United States. It is the principal city of the Longview, Washington Metropolitan Statistical Area, which encompasses all of Cowlitz County. The population was 36,648 at the time of the 2010 census. Longview is located in southwestern Washington, at the junction of the Cowlitz and Columbia rivers. Longview shares a border with Kelso to the east. The Long-Bell Lumber Company, led by Robert A. Long, made the decision in 1918 to buy a great expanse of timberland in Cowlitz County.