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: A stronger acid produces a greater concentration of ions than a weaker acid.
 Question: If Jim increases the strength of an acid he is playing with, the concentration of ions in that acid 
 Choices: A)falls 
B)rises
rises

Paragraph: During inhalation, because the chest volume is larger, the air pressure inside the lungs is lower than the air pressure outside.
 Question: If Mona is breathing hard and her volume increases, what happens to the air pressure inside her lungs? 
 Choices: A)increases 
B)decreases
decreases

Paragraph: Countries with more industry produce more hazardous wastes than those with little industry.
 Question: James loved to travel the world. In his travels, he noticed that America contained a lot of industry while China contained not much industry at all. Which country produced less hazardous wastes? 
 Choices: A)America 
B)China
China