The speed of a wave can be calculated by multiplying the frequency by the wavelength. you can also calculate wave speed by dividing wavelength by the period of the wave. why does this make sense?

Ican answer some, but not all! 2.) sensory info not being transmitted to the brian will result in a lack of responses that could be life saving. 4.) sensory adaption will helo people recognize certain images or objects that will give them a clearer understanding and expand their knowledge. them also become familiar with their surroundings. 8.) light the retina detect an object as it passes through the pupil and into the retina. 12.) cones in the retina us see color. they us see red. blue and green

Their worse are not meaningful;

That is super long dude