A.a and b
B.c and d
C.a and c
D.b and d
A.a and b
B.b and c
C.c and d
D.a and c
11. What do you call the different layers
of rocks that are formed when
the sediment at the bottom of the
pile become rocks?
12. This shows the geologic time
intervals based on the geologic
rock records.
13. What era did the humans started
to evolve?
14. Who studied the relative positions
of sedimentary rocks in the early
mid 1600’s?
15. What era did the
dinosaurs existed?
16. What period was the earliest
life forms existed on Earth?
17-21. What are the steps to the
formation of a sedimentary rocks?
22-25. What are the four principles
of relative dating?

es strat exam.pptx