What is the relationship between radio waves and the visible spectrum

Ann walks 80 meters on a straight line 33 ∘ north of east starting at point 1. draw ann's path. represent ann's walk with a vector of length 80 meters. draw the vector starting at point 1. the length given in the display is in meters.

How do you tell if someone actually cares about you? and just say they do?

How many times did thomas edison mess up the light bulb