You are given a science question (easy-level) and four answer options (associated with "A", "B", "C", "D"). Your task is to find the correct answer based on scientific facts, knowledge, and reasoning. Do not generate anything else apart from one of the following characters: 'A', 'B, 'C', 'D'. There is only one correct answer for each question.

If you took all of the atoms out of a chair, what would be left?  
 (A) The chair would still be there, but it would weigh less. (B) The chair would be exactly the same as it was before. (C) There would be nothing left of the chair. (D) Only a pool of liquid would be left on the floor.
C

In the United States, which is responsible for ensuring the safety of the country's drinking water?  
 (A) Environmental Protection Agency (EPA) (B) Food and Drug Administration (FDA) (C) National Oceanic and Atmospheric Administration (NOAA) (D) Center for Disease Control (CDC)
A

Which form of precipitation is most likely to cause damage when hitting the roof of a car?  
 (A) hail (B) rain (C) sleet (D) snow

A