Here it is, you know... Googling helps :)
A mass of protons and neutrons. Hope this helps. Abby (I'm really awesome)
T is the time it takes for one complete oscillation , it is measured in seconds. All waves, including sound waves and electromagnetic waves , follow this equation. For example, a wave with a time period of 2 seconds has a frequency of 1 ÷ 2 = 0.5 Hz. A sound wave has a time period of 0.0001 seconds.
They would be found in shallow rivers because it would be easiest for them to find there food in a shallow river. and i go fishing so i know
