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: Humans use both renewable and nonrenewable resources. Which human activity uses a nonrenewable resource?  
 (A) building houses with wood (B) using natural gas to heat homes (C) using solar energy to power lights (D) producing electricity from flowing water

Answer: B


Question: Which process in the water cycle returns water from the surface of Earth to the atmosphere?  
 (A) condensation (B) evaporation (C) precipitation (D) runoff

Answer: B


Question: Jamil studied how the position of Earth around the Sun affects the energy available on Earth. Which best explains why a particular place on Earth receives more energy during summer months than winter months?  
 (A) the tilt of Earth (B) the rotation of Earth (C) the distance between Earth and the Sun (D) the amount of rays produced by the Sun

Answer:
A