The karez well system a. was the first known use of wells b. was a postindustrial system c. transported groundwater from a distance d. all of the above it's not d i already checked

Ans: Option (C) Transported groundwater from a distance

Karez water system is in Turpan, the prefecture-level city located in China. It consists of wells that are vertically dug and are lined up horizontally. There are various canals that are connected and linked to these wells. The main purpose is to collect water from the watershed surface that is at the base of the Tian Shan Mountains.

None of them. they are likely to occur on any plate boundary

100% tortilla. it is the only possible answer