Clear sunny days with very cold nights would be associated with a ...

[APUS57]

Clear sunny days with very cold nights would be associated with a cP air mass.
  a. true
  b. false

Question 2

When cP air moves into western Washington, western Oregon, and California fro the east, the air
  mass is warmer at the surface than it was originally because the air sinks, is compressed, and
  warms.
  a. true
  b. false

[verrinzo]

Answer to Question 1

true

Answer to Question 2

true