When erosion wears away the outside of a volcano, sometimes a solid magma core called a is left exposed.
a. cinder cone
b. volcanic neck
c. laccolith
d. batholith

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