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: Greater use of oil and other fossil fuels causes more pollution.
 Question: When we have less cars on the road the pollution levels 
 Choices: A)decrease 
B)increase
[A]: decrease


[Q]: Paragraph: The water table is higher when there is a lot of rain and lower when the weather is dry.
 Question: When you look at a lake before the rain the water levels are 
 Choices: A)lower 
B)higher
[A]: lower


[Q]: Paragraph: Longer wavelength electromagnetic waves have lower frequencies, and shorter wavelength waves have higher frequencies.
 Question: John was testing a radio wave and had an interesting finding. The longer the wavelength was, the frequency became 
 Choices: A)Higher 
B)Lower
[A]:
Lower