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:
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:
Which is most likely a genetic adaptation of desert plants to survive the hot, dry climate conditions?  
 (A) thin bark (B) waxy leaves (C) leaves that remain all year (D) flowers that bloom all year
answer:
B


question:
A water hose was left running on a pile of dirt. What feature of stream erosion was most likely being demonstrated?  
 (A) the rate of water flow in a stream (B) the time it takes for deposition to occur along a stream (C) how layers of rocks and soil are formed along a stream (D) how water shapes a stream over time
answer:

D