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 would provide evidence of seafloor spreading?  
 (A) higher levels of salinity in the ocean water (B) stronger currents at the surface of the ocean (C) cooled magma found on the edge of the plates (D) greater reproduction levels for organisms at the bottom of the ocean
answer:
C


question:
Which of the following best describes a mineral?  
 (A) a solid natural material with a crystal structure (B) a material that was once living but has decayed (C) a liquid chemical used to make soil more fertile (D) a nutrient produced by plants that other organisms need
answer:
A


question:
The Earth's equator receives more direct sunlight than the regions to its north and south. This distribution of sunlight accounts directly for which phenomenon?  
 (A) The westward deflection of equatorial winds. (B) The movement of rising air currents away from the equator. (C) The rotation of storm systems. (D) The formation of calm "eyes" in the centers of cyclones.
answer:

B