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 is the best evidence for the theory of continental drift?  
 (A) the appearance of volcanoes at the boundaries where plates collide (B) earthquakes at boundaries where one plate slides past another (C) cases where a species exists in only one isolated place (D) fossils of the same species found on widely separated continents
[A]: D


[Q]: Which two behaviors best demonstrate stewardship?  
 (A) reducing consumption, recycling wastes (B) increasing consumption, discarding wastes (C) reducing consumption, discarding wastes (D) increasing consumption, recycling wastes
[A]: A


[Q]: When a dog smells food and begins drooling, it is responding to an external stimulus. Which of these describes a response to an internal stimulus?  
 (A) A cat sees a mouse and crouches. (B) A parrot hears a name and repeats it. (C) A person eats spoiled food and vomits. (D) A worm senses water and moves to the surface.
[A]:
C