For what percent of Earth's history have geologic processes been ...

[Wadzanai]

For what percent of Earth's history have geologic processes been studied?
 
  A) 0.000 004
  B) 0.000 000 4
  C) 0.000 000 04
  D) 0.000 04

Question 2

There is a mountain at 10,000 feet and one next to it at 12,000 feet. Which has more potential energy?
 
  A) The mountain at 12,000 feet.
  B) The mountain at 10,000 feet.
  C) They have the same potential energy, because weight is more important than height.
  D) You can't tell; the weight wasn't given.

[Pamela.irrgang@yahoo.com]

Answer to Question 1

Answer: D

Answer to Question 2

Answer: A