Which of the following is not a factor that contributes to the desertification of an area?
a. jet stream
b. erosion by wind
c. changing climate conditions
d. the mismanagement of land by people

What's a recharge area? a. the part of an aquifer where groundwater meets a lake or stream b. the part of an aquifer where surface water reaches the water table c. the part of an aquifer that's located between two aquicludes d. the part of an aquifer that's located at a lower elevation