The redness of a sunup or sunset is due mostly to light that hasn’t been (a) absorbed. (b) transmitted. (c) scattered. (d) polarized. A rainbow is the result of light in raindrops that undergoes (a)...

The redness of a sunup or sunset is due mostly to light that hasn’t been

(a) absorbed.

(b) transmitted.

(c) scattered.

(d) polarized.

A rainbow is the result of light in raindrops that undergoes

(a) internal reflection.

(b) dispersion.

(c) refraction.

(d) all of these