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: At a weightlifting competition, two competitors lifted the same weight to the same height. The second competitor accomplished the lift 2 seconds faster than the first competitor. This demonstrated that the second competitor had more  
 (A) energy than the first. (B) inertia than the first. (C) power than the first. (D) work than the first.

Answer: C


Question: Scientists found fish fossils in the desert. What do the fossils tell about this environment when the fish were alive?  
 (A) There was a forest with large trees. (B) There were lakes with water plants. (C) There were mountains with glaciers. (D) There was a desert with large rocks.

Answer: B


Question: An atom will always have  
 (A) a single, negatively-charged nucleus. (B) equal numbers of protons and electrons. (C) "shared" electrons from another atom. (D) a stable number of charged neutrons.

Answer:
B