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 an item has few carbon atoms its boiling point will be 
 Answer: low

A: Alkanes with more carbon atoms generally have higher boiling and melting points.
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Q: Question: A scientist sees that some galaxies are closer together than before, so they know that the universe's expansion is 
 Answer: less

A: As the Universe expands, galaxies move further and further apart.
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Q: Question: When April rested on the couch, as opposed to running, she noticed that her heart was beating 
 Answer: slower

A:
Warming up exercises increases the blood flow to the muscles and increases the heart rate.
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