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 lists the diameter of the planets in order from smallest to largest?
(A) Venus, Earth, Mercury, Mars (B) Earth, Mars, Venus, Mercury (C) Mars, Mercury, Earth, Venus (D) Mercury, Mars, Venus, Earth
answer:
D

question:
Which material best conducts heat and electricity?
(A) metal (B) plastic (C) rubber (D) wood
answer:
A

question:
Why is a healthy diet important?
(A) It maintains a constant body temperature. (B) It prevents damage to internal organs. (C) It makes oxygen for all the cells in the body. (D) It supplies the body's needs for growth and energy.
answer:
D