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:
If a student playing the drums hits the drums with greater force, the sound would be  
 (A) quieter. (B) louder. (C) lower in pitch. (D) higher in pitch.
answer:
B


question:
If an ecosystem's balance is disturbed by a volcanic eruption, what will most likely occur?  
 (A) The ecosystem will not change from its original state. (B) The ecosystem will eventually become balanced again. (C) The consumers in the ecosystem will begin to consume carbon dioxide. (D) The consumers in the ecosystem will begin to produce more oxygen.
answer:
B


question:
A student is measuring a liquid in a graduated cylinder. The student is not tall enough to read the measurement at eye level. Which of these is the best action for the student to take to read the measurement correctly?  
 (A) stand on a chair (B) estimate the amount (C) pour out some of the liquid until it is at eye level (D) move the graduated cylinder to a lower table
answer:

D