a geologist digs into the soil and sicovers lots of fossils. She notices there are distinct layers of rock as she digs depper into the ground. she labels the layers A, B, C as shown in the diagram:
the geologist wants to know which fossils are from the most ancient organisms. Which soil layer has the oldest fossils?
A on is on the highest layer
B is on the 2nd highest layer
C. is on the bottom layer
which one is it?
A.
B.
C.
or is it all 3 layers are the same age
1 answer
C. Layer C, the bottom layer, has the oldest fossils as it is the deepest layer of rock. The layers of rock are typically laid down in chronological order, with the oldest layer at the bottom and the youngest layer at the top.
1 answer