Which below best describes why a fluffy covering of snow is able ...

[torybrooks]

Which below best describes why a fluffy covering of snow is able to protect sensitive plants and
  their root systems from damaging low temperatures.
  a. Snow is a good insulator.
  b. Melting snow releases latent heat.
  c. Snow is a good emitter of infrared energy.
  d. Snow is a good reflector of sunlight

Question 2

After a rainstorm, visibility typically:a.
   deteriorates.
  b. is unaffected.
  c. improves.

[ms_sulzle]

Answer to Question 1

a

Answer to Question 2

c