Which of the following are renewable energies and which are fossil fuels: natural gas, wind energy, hydropower, oil shales, solar power, coal, and petroleum.
Hydropower, solar power, wind energy are considered to be renewable energies. Coal, petroleum, natural gas, and oil shales are defined as fossil fuels.
Quais das seguintes são energias renováveis e quais são combustíveis fósseis: gás natural, energia eólica, energia hidrelétrica, xisto de petróleo, energia solar, carvão e petróleo.
A energia hidrelétrica, a energia solar, a energia eólica são consideradas energias renováveis.