The principle of ________ is the concept that ancient life forms ...

[rmenurse]

The principle of ________ is the concept that ancient life forms evolved in a definite order, and therefore, their fossils can help determine the geologic ages of strata.
 
  A) superposition
  B) cross-cutting relationships
  C) fossil succession
  D) fossil assemblage

Question 2

The earliest 88 of geologic time is represented by the time span informally called the ________.
 
  A) Paleozoic
  B) Precambrian
  C) Mesozoic
  D) Phanerozoic

[nathang24]

Answer to Question 1

Answer: C

Answer to Question 2

Answer: B

[rmenurse]

Thanks for the timely response, appreciate it

[Zebsrer]

YES! Correct, THANKS for helping me on my review