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.
A.because it experiences different temperatures since it is near a large body of water
Water and air both have oxygen and due to the contamination in the oxygen both water and air suffer
You can visit Paektu Mountain, Mansudae Hill Grand Monument and lot more.
<span>hydrosphere should be yor answer</span>