Why is red the last color seen at sunset?

it reflects off the atmosphere.
it is scattered the least by the air.
it is bent the most by the air.
it is bent by raindrops.

What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.