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).

Paragraph: Wave frequency can be measured by counting the number of crests or compressions that pass the point in 1 second or other time period. The higher the number is, the greater is the frequency of the wave.
 Question: If there are more crests coming through, there will be _____ wave frequency. 
 Choices: A)more 
B)less
more

Paragraph: The hotter a main sequence star is, the brighter it is.
 Question: Stars that are colder are also 
 Choices: A)dimmer 
B)brighter
dimmer

Paragraph: Inhaling, or breathing in, increases the size of the chest, which decreases air pressure inside the lungs.
 Question: Rich breathed in and out. When he breathes _____ his chest seems larger. 
 Choices: A)in 
B)out

in