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 climbs to the top of a mountain and takes the temperature after taking the temperature at the bottom of the mountain, which area will he get a lower reading at? 
 Answer: top of the mountain

A: The surface is heated by the Sun and some of that heat radiates back into the air. This makes the temperature higher near the surface than at higher altitudes.
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Q: Question: If an animal is able to eat food more difficult is it more or less likely to reproduce? 
 Answer: less

A: Natural selection is the process by which living things with beneficial traits produce more offspring, so their traits become more common over time.
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Q: Question: If an item has many carbon atoms its boiling point will be 
 Answer: high

A:
Alkanes with more carbon atoms generally have higher boiling and melting points.
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