instruction:
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.
question:
Which method is the best safety procedure when working around open flames?
(A) wear an acid-resistant apron (B) wash your hands (C) tie back long hair (D) use an electric fan to blow gases from the flame
answer:
C

question:
In what type of rock would a geologist most likely find evidence of ancient life?
(A) sedimentary (B) foliated (C) metamorphic (D) volcanic
answer:
A

question:
Otto pushed a toy car across a floor. The car traveled fast across the wood, but it slowed to a stop on the carpet. Which best explains what happened when the car reached the carpet?
(A) Inertia decreased. (B) Gravity increased. (C) Friction increased. (D) Magnetism decreased.
answer:
C