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: The hotter a resistor becomes the more resistance it has.
 Question: Paul measured a resistor's temperature at 20C. Another resistor he measured at 30C. If both resistors are the same type, which offers less resistance? 
 Choices: A)20C 
B)30C
[EX A]: 20C

[EX Q]: Paragraph: When two skateboarders push against each other, it causes them to move apart. The harder they push together, the farther apart they move.
 Question: Scott rolls two balls together until they strike each other. When Scott rolls the balls softly, they barely move apart, and when Scott thrusts the balls at one another, they are apart a 
 Choices: A)great distance 
B)small distance
[EX A]: great distance

[EX Q]: Paragraph: When your brain senses that your body temperature is increasing, it sends messages to the blood vessels in the skin to increase in diameter.
 Question: Derek felt cold as he stood in the shade, and since his body was cooling down, he knew that his blood vessels in his skin were 
 Choices: A)expanding 
B)contracting
[EX A]:
contracting