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: Inhaling, or breathing in, increases the size of the chest, which decreases air pressure inside the lungs.
 Question: If Mona is running a race and her chest expands, what happens to the amount of air pressure in her lungs? 
 Choices: A)increases 
B)decreases

A: decreases
****
Q: Paragraph: Because all electromagnetic waves travel at the same speed through space, a wave with a shorter wavelength must have a higher frequency, and vice versa.
 Question: Compared to microwaves do x-rays, which have a much higher wavelength than microwaves, have a 
 Choices: A)lower frequency? 
B)higher frequency

A: lower frequency?
****
Q: Paragraph: New farm machines were invented. They increased the amount of food that could be produced. With more food, people were healthier and could live longer.
 Question: Jefferson built a faulty farm machine that decreased food production. This likely will cause the population's lifespan to 
 Choices: A)increase 
B)decrease

A:
decrease
****