Question 1
In the late 1800's various principles (original horizontality, inclusions, cross cutting relations, etc. arête) were established and used to ________.
◦ prove that evolution was a valid theory that could explain many geologic observations
◦ organize the order in which events occurred on Earth
◦ determine the age of Earth
◦ determine the age of events on Earth
Question 2
An unconformity is a buried ________.
◦ surface of erosion separating younger strata above from older strata below
◦ fault or fracture with older rocks above and younger rocks below
◦ fault or fracture with younger strata above and older strata below
◦ surface of erosion with older strata above and younger strata below