Goes down as the temperature decreases, and vice versa. Sound's frequency is independent of temperature, while its speed is directly proportional to temperature. Heat, like sound, is a form of kinetic energy. Molecules at higher temperatures have more energy, thus they can vibrate faster. Since the molecules vibrate faster, sound waves can travel more quickly. ... This is faster than 331 meters per second, which is the speed of sound in air at freezing temperatures.
someone’s answer
The us annexation of hawaii is an example of late 19th century imperialism. American imperialism<span> is the economic, military, and cultural influence of the </span>United States<span> on other countries. Such influence often goes hand in hand with expansion into foreign territories. </span>
To refer to someone severely injured or killed during a war, use the word "casualty". In textbooks or articles, you would hear something like "this war had 60,000 casualties". By definition, a casualty is a person killed or injured in a war. Hope this helps!
<span>The level of output produced when he labor market is in equilibrium is called the potential GDP.</span>
