People can obtain groundwater by drilling a well
a. above the water table.
b. into an aquifer.
c. into the unsaturated zone.
d. into the impermeable layer.

(10 points) 1. cone 2. rectangle 3. triangle 4. circle 5. cylinder a. perpendicular cross section of a pyramid b. perpendicular cross section of a cylinder c. parallel cross section of a sphere d. shape created when a rectangle is rotated about the y-axis e. shape created when a right triangle is rotated about the y-axis