Please answer this: Answer this question: what is sump pump used for?
++++++++
Answer: A sump pump is a pump used to remove water that has accumulated in a water collecting sump basin, commonly found in the basement of homes.

Please answer this: Answer this question: what is bourbon made of?
++++++++
Answer: Bourbon whiskey is a type of American whiskey a barrel-aged distilled spirit made primarily from corn .

Please answer this: Answer this question: when did classification of races begin?
++++++++
Answer:
First used to denote national affiliations, the term began to be used to relate to physical traits in the 17th century.