Please choose the correct answer to the question: 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?

Answer1: A home burns natural gas for heat. Answer2: A city burns coal to generate electricity. Answer3: A farmer plants different types of crops to protect the soil. Answer4: A construction crew builds a road from rock, sand, and gravel.

Answer format: answer1/answer2/answer3/answer4
Answer: answer3