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.

In an electric motor, electrical energy is converted into  
 (A) mechanical energy. (B) chemical energy. (C) thermal energy. (D) light energy.
A

Which particle type can be identified as being from a specific element?  
 (A) electron (B) atom (C) neutron (D) proton
B

All natural resources on Earth are either renewable or nonrenewable. Whether a resource is renewable or nonrenewable depends on how fast or slow the resource is replaced. If the resource is used faster than it is replaced, then the resource will, in time, disappear. Which statement describes the use of a renewable natural resource?  
 (A) A home burns natural gas for heat. (B) A city burns coal to generate electricity. (C) A farmer plants different types of crops to protect the soil. (D) A construction crew builds a road from rock, sand, and gravel.

C

