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: 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 more resistance? 
 Choices: A)20C 
B)30C
30C

Paragraph: Longer wires have more resistance than shorter wires.
 Question: A shorter wire will have _____ resistance than a longer one. 
 Choices: A)more 
B)less
less

Paragraph: To reduce friction, oil is added to the engine.
 Question: Dana wants things to slide around easily without too much friction, so she uses oil in amounts that are 
 Choices: A)greater 
B)smaller
greater