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: Most of the United States is a part of which tectonic plate?  
 (A) Pacific Plate (B) Eurasian Plate (C) North American Plate (D) South American Plate

SOLUTION: C

PROBLEM: Which of the following organisms produces energy from sunlight?  
 (A) worm (B) rabbit (C) hawk (D) grass

SOLUTION:
D