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: Air pressure is higher in the 
 Answer: valleys.

A: Air pressure is less at higher elevations.
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Q: Question: You are conducting an experiment on alkenes and discover that your smaller alkenes have _____ boiling and melting points than the larger ones. 
 Answer: higher

A:
Larger alkenes have lower boiling and melting points.
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