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 trade-off when the threads are closer together, is that more turns of the screw or bolt are needed to do the job because the distance over which the input force must be applied is greater.
 Question: If Jim is screwing in two bolts and the first one has threads that are close together while the second one has threads that are far apart, which one must he apply greater force to? 
 Choices: A)first bolt 
B)second bolt
first bolt

Paragraph: In a series circuit, the resistance increases as more resistors are added in series.
 Question: When we remove resistors in series to a computer what happens to the resistance? 
 Choices: A)decreases 
B)increases
decreases

Paragraph: To reduce friction, oil is added to the engine.
 Question: Dana wants things to stay put easily with the help of a lot of friction, so she uses oil in amounts that are 
 Choices: A)greater 
B)smaller
smaller