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: Bridge inspectors have determined that a bridge is unsafe. Which of the following is the BEST design process the company should use to correct the problem?  
 (A) identify the problem-repair the bridge-plan for the repair (B) plan for the repair-repair the bridge-identify the problem (C) plan for the repair-identify the problem-repair the bridge (D) identify the problem-plan for the repair-repair the bridge

SOLUTION: D

PROBLEM: What causes ocean water to evaporate in the water cycle?  
 (A) energy from the Sun (B) energy from ocean waves (C) energy from Earth's rotation (D) energy from Earth's moon

SOLUTION: A

PROBLEM: Some scientists think their new car fuel will produce fewer chemicals than burning gasoline. The scientists test their hypothesis by performing several trials to compare the fuels. If the results of the trials agree with their hypothesis, in which area will their research most likely help?  
 (A) recycling trash (B) conserving water (C) reducing air pollution (D) protecting endangered species

SOLUTION:
C