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: Which process in the water cycle returns water from the surface of Earth to the atmosphere?  
 (A) condensation (B) evaporation (C) precipitation (D) runoff

SOLUTION: B

PROBLEM: The Sun is classified as  
 (A) an organism (B) a decomposer (C) a star (D) a planet

SOLUTION: C

PROBLEM: Several interchangeable parts are used in the manufacture of automobiles. Some examples of these parts are batteries, windshield wiper blades, spark plugs, and tires. Which of the following is an advantage of interchangeable parts over non-interchangeable parts on automobiles?  
 (A) Interchangeable parts are generally more expensive than custom-made parts for automobiles. (B) Interchangeable parts break more often now than in years past on most automobiles. (C) Interchangeable parts are plentiful for custom-made automobiles. (D) Interchangeable parts can fit many kinds of automobiles.

SOLUTION:
D