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).

[EX Q]: Paragraph: If salt is added to a volume of water, there are more molecules in the same volume, so the water is denser.
Question: When water absorbs salt the water becomes
Choices: A)more dense
B)less dense
[EX A]: more dense

[EX Q]: Paragraph: The closer the field lines are drawn together, the stronger the field being described.
Question: John was in his office looking at the diagrams. He saw that as the lines were closer, the fields were
Choices: A)Stronger
B)Weaker
[EX A]: Stronger

[EX Q]: Paragraph: Plug-in hybrids run for a longer time on electricity and so are less polluting than regular hybrids.
Question: Do electric cars pollute more or less than gas cars?
Choices: A)more
B)less
[EX A]:
less