vocab Flashcards
1
Q
the process of assigning an exact numerical age to an organism, an object, or event
A
absolute dating
2
Q
the process of placing objects or events in their proper order in time
A
relative dating
3
Q
states that the laws of nature operate today as they have in the past
A
uniformitarianism
4
Q
states that in an undisturbed sequence of sedimentary rock layers, the youngest rock will be at the top and the oldest rock will be at the bottom
A
principle of superosition
5
Q
gaps in the rock record during which either erosion occurred or deposition was absent
A
unconformity
6
Q
A
fossil
