If the sky were ordinarily yellow-orange instead of blue, then ...

[ARLKQ]

If the sky were ordinarily yellow-orange instead of blue, then sunsets would appear
 
  1) orange,
  2) green,
  3) blue,
  4) black,
 
  which has to do with
  5) the polarization of sunlight.
  6) yellow-orange and sky blue being complementary colors.
  7) the refraction of sunlight through the thicker atmosphere.

Question 2

Rainbows exist because light in water drops is
 
  1) reflected.
  2) refracted.
  3) both of these
 
  And the main reason drops disperse different colors involves light's different
  4) frequencies.
  5) speeds.
  6) directions.
  7) energies.

[Bsand8]

Answer to Question 1

Answer: 3, 6

Answer to Question 2

Answer: 3, 5

[ARLKQ]

Thanks

[Bsand8]

Welcome