As the trees in England become less sooty due to pollution controls on factories, which of the ...

As the trees in England become less sooty due to
  pollution controls on factories, which of the
  following should occur?
  a. Fewer dark moths should survive.
  b. Numbers of dark and light moths wont change
  due to stabilizing selection.
  c. Genetic mutations will be reversed.
  d. More light-gray moths should survive.
  e. Fewer dark moths should survive, and more
  light-gray moths should survive.

Question 2

Populations of the peppered moth provide an
  example of __________ selection.
  a. kin
  b. disruptive
  c. directional
  d. stabilizing
  e. artificial