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 form of energy are x rays and ultraviolet light?  
 (A) nuclear (B) heat (C) electromagnetic (D) chemical
answer:
C


question:
In what type of rock would a geologist most likely find evidence of ancient life?  
 (A) sedimentary (B) foliated (C) metamorphic (D) volcanic
answer:
A


question:
Which of the following statements is true about organisms that are producers?  
 (A) They use energy from the sun to make food. (B) They absorb energy from a host animal. (C) They get energy from eating living animals. (D) They get energy by breaking down dead plants and animals.
answer:

A