Which is an application of the principle of uniformitarianism?

A.
studying a modern river valley to learn about how ancient rock layers formed

B.
counting tree rings to determine the age of a tree

C.
examining a rock to find out what minerals are in the rock

D.
ordering a group of fossils from largest to smallest

Question

Which is an application of the principle of uniformitarianism?
 
 A.
studying a modern river valley to learn about how ancient rock layers formed
 
 B.
counting tree rings to determine the age of a tree
 
 C.
examining a rock to find out what minerals are in the rock
 
 D.
ordering a group of fossils from largest to smallest

jackofalltradez · Answer

Do you have any ideas, Daisy?

anonymous · Answer

It's A. "the present is the key to the past" and is functioning at the same rates. Uniformitarianism has been a key principle of geology and virtually all fields of science"