The most significant advantage of using renewable energy sources is that is sustainable (as a result of the fact that is renewable) and the low Greenhouse Gas Emissions.Renewable energy sources do not pollute the environment it with Co2 and other toxic gases that are produced by fossil fuels.
The answer is Option A.
People revolted against the ruler's cruel ways and overthrew the Qin government.
Spontaneous changes produce more order in a system.
