the in the retina collect the light and send signals to a network of neurons that then generate electrical impulses that go to the brain?

1): photoreceptor neurons
2): optic nerve
3): ganglion cells
4): rods and cones

a=c and then d= c because of the band so you get ac/dc and you add them together you get sound waves

one part of the electromagnetic spectrum that arrives on earth as solar radiation from the sun is the visible spectrum. wavelengths of the visible spectrum combine to form what we refer to as

answer - d) ultraviolet radiation.

violet /   380–450 nm / 668–789 thz

violet is number 1 in the chart of visible light.

the wetland preservation movement began in the u.s. in earnest with the clean water act (cwa) of 1972. although not specifically written to protect wetlands, the cwa is comprised of a series of regulations designed to prevent pollutants from contaminating u.s. waters.