Red sunsets are due to light of lower frequencies that
A) are scattered from larger particles in the air.
B) are scattered from smaller particles in the air.
C) survive being scattered in the air.
D) are reflected by clouds and relatively large particles in the air.
E) appear reddish-orange to the eye.
Question 2
The size of the pupil of your eye depends on
A) the brightness of light in the room.
B) your mood.
C) both of these
D) neither of these