Bioenergy - renewable energy produced by living organisms such as plants.
The primary renewable energy sources in South America are 16% bioenergy, 8% hydropower and 1% each for geothermal, solar and wind power.
The level of government that maintains public utilities <span>, and licenses and oversees businesses is the state.</span>
There are numerous mountains in Japan and they were an obstacle towards unifying the country. Since many parts of Japan waged wars against others, it was difficult to fight in other people's regions since they had the mountains to their advantage so there was a difficulty in uniting every part of Japan through wars, like it was done in numerous other countries.
