TASK DEFINITION: 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.
PROBLEM: The basic life functions of an organism are carried on by
(A) cells (B) nutrients (C) atoms (D) hormones

SOLUTION: A

PROBLEM: Two atoms of oxygen combine to form pure oxygen gas. What is the electrical charge of the O_{2} molecules?
(A) positive (B) negative (C) neutral (D) variable

SOLUTION: C

PROBLEM: A student wants to figure out how many calories are needed to perform various activities. A list of some everyday activities is made, and the number of calories burned during each activity is recorded. Which method is the best way for the student to display and evaluate the information?
(A) write a paragraph (B) make a line graph (C) develop a formula (D) create a table

SOLUTION:
D