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:
Earth is about 81 times more massive than the Moon. How will the mass and weight of a rocket on the Moon compare to its mass and weight on Earth?  
 (A) The mass and weight will be less on the Moon. (B) The mass and weight will be greater on the Moon. (C) The mass will be the same, but its weight will be less on the Moon. (D) The mass will be the same, but its weight will be greater on the Moon.
answer:
C


question:
Why should plants be included in investigations about the water cycle?  
 (A) Plants speed up the water cycle by removing carbon from the air. (B) Plants start the water cycle when they make water in photosynthesis. (C) Plants are part of the water cycle through the process of transpiration. (D) Plants stop the water cycle because they absorb it and stop the flow to streams.
answer:
C


question:
Which disease is correctly paired with the cause of the disease?  
 (A) athlete's foot - fungi (B) malaria - viruses (C) influenza - bacteria (D) pneumonia - protists
answer:

A