In ancient Persia, "qanats" were vital to survival. What is a "qanat"? A) an irrigation system B) an underground shelter C) a method of crop-rotation D) a type of long-range weapon
Your correct answer would be: A) "an irrigation system"
My explanation: They were using wells and a underground pipeway connecting them to a local water table, ancient cultures were able to readily collect water from their wells.
