Author Question: The principle of original horizontality states that each A) sedimentary layer is older than the ... (Read 41 times)

abarnes · **on:** Jul 29, 2018

The principle of original horizontality states that each

A) sedimentary layer is older than the layer above.
B) sedimentary layer is younger than the layer above.
C) new layer of sediment is laid down nearly horizontally over older sediment.
D) new layer of sediment is laid down accordingly.

Question 2

Fossils can be used to determine the relative age of rock layers because they are

A) found in a definite order.
B) deposited horizontally, one fossil at time.
C) radioactive.
D) found in sedimentary rocks.