The earth's magnetic subject brings about a compass needle to orient in the North-South route and is also used by birds and fish for navigation. The frequency only describes the quantity of oscillations or cycles per 2nd, although the time period wavelength describes the gap between a person wave and https://stemcelltherapychicago01009.blogzag.com/78451001/indicators-on-prolotherapy-doctors-near-me-you-should-know