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.

[Q]: Which form of energy is found in food?  
 (A) chemical (B) electrical (C) sound (D) mechanical
[A]: A


[Q]: A scientist is searching for areas where new solar systems might form. What feature is the scientist looking for?  
 (A) a star similar to our Sun (B) a cloud of dust and gas (C) an oxygen-rich atmosphere (D) a gravitational acceleration of 9.8 m/sec2
[A]: B


[Q]: Seafloor spreading occurs along certain boundaries in the ocean. Which are most likely to form at the boundary where the seafloor is spreading?  
 (A) strike-slip faults (B) subduction zones (C) mid-ocean ridges (D) continental shelves
[A]:
C