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: While in the lab, Sharon and Joe were testing alkenes; Sharon's alkenes were much larger than Joe's. The melting point of Sharon's alkenes will be _____ than Joe's. 
 Answer: lower

A: Larger alkenes have lower boiling and melting points.
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Q: Question: Someone that never works out will likely have _____ muscles than someone who lifts weights at home all day. 
 Answer: smaller

A: Aerobic exercise increases the size and strength of muscles in the heart and helps all your muscles develop greater endurance.
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Q: Question: In a science class, the professor demonstrates refraction to the class. First, the professor shows a curved lens from a binocular, and then a flat pane of glass, demonstrating that 
 Answer: the curved lens refracts more light

A:
The more curved the surface of a lens is, the more it refracts the light that passes through it.
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