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:
Which could be a possible way to prevent wildlife species from becoming endangered?  
 (A) drinking less water (B) establishing more habitats (C) cutting down more forests (D) stopping underground coal mining
answer:
B


question:
Which is the best example of evaporation?  
 (A) raindrops freezing (B) an ice cube melting (C) a puddle drying in the sun (D) a sponge soaking up water
answer:
C


question:
Two boxes, A and B, both contain the same number of nitrogen gas molecules. The gas molecules in box A have twice the average speed of the molecules in box B. Which of the following best describes the nitrogen gas in box A?  
 (A) The nitrogen gas in box A has a greater mass than the nitrogen gas in box B. (B) The nitrogen gas in box A has a greater density than the nitrogen gas in box B. (C) The nitrogen gas in box A has a greater temperature than the nitrogen gas in box B. (D) The nitrogen gas in box A has a greater specific gravity than the nitrogen gas in box B.
answer:

C