The idea of uniformitarianism suggests that A) the natural ...

[karen]

The idea of uniformitarianism suggests that
 
  A) the natural laws that operate today are different than those that have operated in the past.
  B) sediments are laid down layer upon layer with younger layers always on the top.
  C) the processes and natural laws that operate today have been valid throughout geologic time.
  D) all rocks layers are originally uniform.

Question 2

In a sequence of sedimentary rocks, the bottom layer is the youngest and the top layer is the oldest. This type of sequence suggests that the
 
  A) principles of original horizontality and superposition are flawed.
  B) beds must have been overturned by some structural disturbance.
  C) dates for these rocks must be in error.
  D) principles of original horizontality and superposition hold true.

[mcomstock09]

Answer to Question 1

Answer: C

Answer to Question 2

Answer: B

[karen]

TYSM

[steff9894]

Gracias!