Does the law of superposition describe absolute age or relative age?
Absolute age
Relative age
What is the law of superposition?
Oldest layers of rock are found at the top
Oldest layers of rock are found at the bottom
Fossils sink to the bottom when they are formed
Fossils are found in the deepest layers of rock
Which of these is NOT an eon?
Phanerozoic
Proterozoic
Mesozoic
Archean
The divisions of time in the Geologic Time Scale represent...
The law of superposition
The results of radiometric dating
Major changes in biodiversity
Multiples of 35 million years
What does "fauna" refer to?
Plants
Animals
Rocks
Temperature