In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.

Q: Question: What property is the result of the force of gravity being opposed by the normal force? Answer: weight

A: Weight is the result of the force of gravity being opposed by the normal force.
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Q: Question: What do craters and rifts become when they fill with water? Answer: lakes

A: Lakes do craters and rifts become when they fill with water.
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Q: Question: The smallest cyclic ether is called what? Answer: epoxide

A:
The smallest cyclic ether is called epoxide.
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