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).

Q: Paragraph: For example, more people on the Earth means more people contributing to global warming and pollution.
 Question: What will happen to the levels of pollution on Earth if the population decreases? 
 Choices: A)they will rise 
B)they will fall

A: they will fall
****
Q: Paragraph: A thinner wire is more difficult for electrons to move through than a thicker wire.
 Question: If you use a thin piece of wire then electrons move 
 Choices: A)easier 
B)harder

A: harder
****
Q: Paragraph: Increasing the number of resistors in a series circuit increases the overall resistance of the circuit.
 Question: Mike was wiring up a new circuit to test it out. He observed that the more resistors he added to the circuit. the overall resistance level 
 Choices: A)Increased 
B)Decreased

A:
Increased
****