What is the main difference between classical physics and quantum ...

[RRMR]

What is the main difference between classical physics and quantum physics?
 
  A) Quantum physics requires the speed of light to be a constant value.
  B) Classical physics requires that only certain, allowed values for energy be used.
  C) Quantum physics requires that only certain, allowed values for energy be used.
  D) Quantum physics can only describe the behavior of very small objects, like atoms and molecules.

Question 2

The depth of the atmosphere is about 30 km. If the diameter of the earth is 13,000 km, what percentage of the earth is atmosphere?
 
  A) 0.2 percent
  B) 2 percent
  C) 1 percent
  D) 20 percent
  E) 50 percent

[iceage]

Answer to Question 1

C

Answer to Question 2

A

[RRMR]

TY

[iceage]

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