Middle clouds: A) are prefixed by cirro. B) can often be ...

[s.tung]

Middle clouds:
 
  A) are prefixed by cirro.
  B) can often be found within a kilometer of the ground.
  C) include cumulonimbus clouds.
  D) are composed of liquid droplets.

Question 2

Lenticular clouds:
 
  A) have linear shapes.
  B) usually form over gently sloping plains.
  C) result in a substantial net accumulation of moisture within the clouds.
  D) are the result of waves in the air flow.

[milbourne11]

Answer to Question 1

Answer: D

Answer to Question 2

Answer: D