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).

Q: Paragraph: The more tightly packed the particles inside the material are, the more dense we say they are.
 Question: If Jim packs a greater amount of packing peanuts into a jar, what happens to the density of the peanuts? 
 Choices: A)increases 
B)decreases

A: increases
****
Q: Paragraph: With a higher the concentration of hydrogen ions, a solution is more acidic and has a lower pH.
 Question: A small container that has 100 hydrogen ions is sitting near a larger container that has 2 hydrogen ions. The solution in the larger container is 
 Choices: A)more acidic 
B)less acidic.

A: less acidic.
****
Q: Paragraph: Longer wavelength electromagnetic waves have lower frequencies, and shorter wavelength waves have higher frequencies.
 Question: Shirley wants to make sure that her frequencies are high, so she will have her wavelengths for the electromagnetic waves be 
 Choices: A)shorter 
B)longer

A:
shorter
****