Which is the first step that geological must do to compare rock layers at distant locations. A. Find the absolute age of rocks at both locations

B. Compare a layers at one location to layers at other locations

C. Identify index fossils in one or more layers at one locations

D. Collect fossil from different locations to study the organisms lifestyles

12) several teeth were found in an area of flat land covered with trees and plants. the teeth were examined by a paleontologist, and it was determined that the teeth came from a shark. they found many other shark teeth in this area. however, the people who discovered the teeth were puzzled, because there was no source of water near where the fossils were found. what is the paleontologist's best explanation for why the teeth were found in this area? a) sharks used to live on flat land. b) this area was once covered with salt water. c) this area was once covered with freshwater. d) someone buried the shark teeth deep in the ground.