In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

Q: Question: If Jim adds more resistors to the circuit he is building for his school science project, what will happen to the overall resistance of the circuit? 
 Answer: it will increase

A: Increasing the number of resistors in a series circuit increases the overall resistance of the circuit.
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Q: Question: If you spend a lot of time working out your muscles will be 
 Answer: larger

A: When a person exercises regularly, and is fit, the heart undergoes certain long-term adaptations. The heart muscle gets stronger, and expels more blood with each contraction.
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Q: Question: If Mona sells her electric car and switches to a gas car, what will happen to the amount of pollution she produces? 
 Answer: increase

A:
Plug-in hybrids run for a longer time on electricity and so are less polluting than regular hybrids.
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