In order to see a rainbow, an observer must ________ the Sun and ________ the rain.
A) face; have his back to B) face; face
C) have his back to; face D) have his back to; have his back to
Question 2
A secondary rainbow:
A) is formed from ice, not water.
B) is above the primary rainbow.
C) has a broader band of colors.
D) is typically seen in the early afternoon, not in the morning.
E) is brighter than the primary rainbow.
