TASK DEFINITION: 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.
PROBLEM: Which correctly arranges three scientific terms-theory, law, and hypothesis-from least to most accepted or tested?  
 (A) theory, hypothesis, law (B) hypothesis, law, theory (C) theory, law, hypothesis (D) hypothesis, theory, law

SOLUTION: D

PROBLEM: Electron transport in mitochondria results in a chemiosmotic gradient of which particle across the mitochondrial membrane?  
 (A) ADP (B) ATP (C) protons (D) neutrons

SOLUTION: C

PROBLEM: Mr. Harris mows his lawn twice each month. He claims that it is better to leave the clippings on the ground. Which long term effect will this most likely have on his lawn?  
 (A) It will eventually cause the grass to stop growing. (B) It will prevent bacteria from invading the lawn. (C) It will provide the lawn with needed nutrients. (D) It will reduce the insect population.

SOLUTION:
C