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 statement describes all matter?  
 (A) All matter contains carbon. (B) All matter contains oxygen. (C) All matter is made up of cells. (D) All matter is made up of atoms.

SOLUTION: D

PROBLEM: A student pushes a box to slide it across the floor. Which statement explains why the box begins to move?  
 (A) The weight of the box is greater than the force of friction. (B) The weight of the box is less than the force of friction. (C) The applied force is greater than the force of friction. (D) The applied force is less than the force of friction.

SOLUTION: C

PROBLEM: Which of the following characteristics will best prevent a tree from being blown over by high winds during a storm?  
 (A) deep roots (B) long branches (C) thick bark (D) wide leaves

SOLUTION:
A