Compare the water harvesting system used in hilly/mountainous areas with those used in plains or plateau regions.

• A
  Plains use Kulhs,while hills use earthen embankments.
• B
  Plains use crescent-shaped earthen embankments,while hilly regions use canal irrigation systems called Kulhs.
• C
  Both regions use the same method of water harvesting.
• D
  Plateau regions do not require any water harvesting systems.