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.

Idon't bro i wish i could i'm so sorry

Magma forms by partial melting of upper mantle and crust. partial melt means that only a fraction of the available material forms a melt, and that the remainder stays solid. the partial melt rises because of its lower density and ascends through he crust. this is so conclusive mean the answer would be magma igneous rocks or balistic magma.