instruction:
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).
question:
Paragraph: This is also called diffusion, and the process is much faster in gases than in liquids, because the particles in gases are further apart.
 Question: Diffusion occurs slower in 
 Choices: A)water 
B)oxygen.
answer:
water


question:
Paragraph: Because richer nations use more fossil fuels, they also cause more air pollution and global warming than poorer nations do.
 Question: Mona lives in a nation that uses a lot of fossil fuels. What would happen to her countries levels of air pollution if they were to decrease their usage? 
 Choices: A)increase 
B)decrease
answer:
decrease


question:
Paragraph: The more basic a solution is, the closer its pH value will be to 14.
 Question: If Jim decreases how basic his solution is, it means the solution proximity to pH 14 is 
 Choices: A)decreased 
B)increased
answer:

decreased