Most of earth’s volcanoes are located in the around the pacific rim just beyond the oceanic trenches, where magma, which is less dense than the surrounding rock, rises to the surface and erupts.

What was the great rift valley formed by

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