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.

[EX Q]: 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
[EX A]: C

[EX Q]: In Maryland, most bears have thick, dark fur. Which statement best explains how dark fur helps bears survive in the forests of Maryland?
(A) Dark fur is lightweight. (B) Dark fur scares enemies. (C) Dark fur helps bears hide. (D) Dark fur keeps bears cool.
[EX A]: C

[EX Q]: Which function is performed at similarly structured sites in prokaryotic and eukaryotic cells?
(A) protein synthesis (B) packaging and transport of proteins (C) storage of genetic material (D) release of energy from storage forms
[EX A]:
A