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: Bacteria with a mutation the helps resist antibiotics increase in numbers, so the mutation becomes more common.
 Question: Eric notices an decrease in antibiotic resistance in a certain bacteria. The mutation that causes the resistance has become _____ common 
 Choices: A)more 
B)less

Answer: less


Question: Paragraph: Exhaling, or breathing out, decreases the size of the chest, which increases air pressure inside the lungs.
 Question: When people breathe out their chest becomes 
 Choices: A)larger 
B)smaller

Answer: smaller


Question: Paragraph: A given volume of a denser substance is heavier than the same volume of a less dense substance.
 Question: John has a diamond that is the same size as a beach ball. Which is likely less dense? 
 Choices: A)diamond 
B)ball

Answer:
ball