Which of the following statements best describes why most cultures have changed over time?

If the basis of an isosceles trapezoid have lengths of 11 and 26, what is the length of the median?

Which city area has the most accessible oil reserves a) caspian sea b) siberia c)arctic coast d)lake baikal

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