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.
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Question: Question: What type of friction is friction that acts on objects when they are sliding over a surface? Answer: sliding friction

Answer: Sliding friction is friction that acts on objects when they are sliding over a surface.


Question: Question: Amines are weak bases due to the presence of a lone pair of what on the nitrogen atom? Answer: electrons

Answer: Amines are weak bases due to the presence of a lone pair of electrons on the nitrogen atom.


Question: Question: All of the land drained by a river system is called its basin, or what "wet" term? Answer: watershed

Answer:
All of the land drained by a river system is called its basin, or the "wet" term  watershed