You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).

[EX Q]: Paragraph: Electromagnetic waves with shorter wavelengths have higher frequencies and more energy.
 Question: Molly was viewing electromagnetic waves and noticed a wave with a wavelength of 20nm and another with 10nm. Which likely has more energy? 
 Choices: A)the 20nm wave 
B)the 10nm wave
[EX A]: the 10nm wave

[EX Q]: Paragraph: The more extreme the amount of metamorphism, the more difficult it is to tell what the original rock was.
 Question: If pressure has exerted less force on a rock and decreased it's metamorphism, would it be 
 Choices: A)easier to determine what the original rock was 
B)harder to determine what the original rock was?
[EX A]: easier to determine what the original rock was

[EX Q]: Paragraph: This means that as wavelengths get shorter, more waves move past a particular spot in the same amount of time.
 Question: Wavelengths that are shorter will be 
 Choices: A)faster 
B)slower
[EX A]:
faster