You are given a science question (hard-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: Sara tums on a flashlight and holds an object up to the light. How will she be able to tell if the object is opaque?  
 (A) No light will shine through. (B) Some light will be reflected. (C) The light will bend at an angle. (D) Light will shine clearly through.

Answer: A


Question: Farmers in Wyoming were concerned because some of their chickens were being preyed upon by hawks that lived in areas around their ranches. The farmers grouped together and hunted the hawks until they were no longer in their area. Which would most likely happen next?  
 (A) The chicken population would go down. (B) Populations of mice and rats would increase. (C) Another bird of prey would replace the hawk. (D) The chickens would have a lower rate of disease.

Answer: B


Question: An example of a solid turning into a liquid is  
 (A) steam turning into water. (B) water turning into steam. (C) ice turning into water. (D) water turning into ice.

Answer:
C