What activity has caused kenya to experience land degradation?
a. gold and diamond mining
b. diverting water from rivers for irrigation
c. farming the same field every year
d. overgrazing by livestock

The fact that similar fossils are found on both sides of the ocean is evidence of: a. global positioning. b. magnetic reversal. c. continental drift. d. oceanic drifts. select the best answer from the choices provided a b c d