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).
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Question: Paragraph: Air pressure is less at higher elevations.
 Question: Air pressure is higher in the 
 Choices: A)mountains 
B)valleys.

Answer: valleys.


Question: Paragraph: Acids have pH values below 7. The lower the pH value, the more strongly acidic the substance.
 Question: Milo was playing around with water by changing the pH level. If he lowered the pH what would happen to the acidity of the solution? 
 Choices: A)it would decrease 
B)it would increase

Answer: it would increase


Question: Paragraph: The greater the objects mass, the greater the force of gravitational attraction.
 Question: If Mona adds some mass to the object she is creating for her school project, what happens to the gravitational attraction of that object? 
 Choices: A)increase 
B)decrease

Answer:
increase