GEOLOGY

Detailed explanation-1: -The global primary energy sources for stationary power generation and for transportation are fossil fuels. Currently fossil-based fuels like oil, coal and natural gas, provide approximately 85 % of all energy being used worldwide.

Detailed explanation-2: -According to the U.S. Energy Information Administration, most of the nation’s electricity was generated by natural gas, nuclear energy, and coal in 2020. Electricity is also produced from renewable sources such as wind, hydropower, solar power, biomass, wind, and geothermal.

Detailed explanation-3: -Fossil Fuels 67% (Non-Renewable Source): Coal 41%, Natural Gas 21% & Oil 5.1% Renewable Energy 16% Mainly Hydroelectric 92%: Wind 6%, Geothermal 1%, Solar 1% Nuclear Power 13% Other Sources 3% (Biofuels, biomass and other un-identified data) 21-Jul-2016

Detailed explanation-4: -Renewable sources of energy. Non-renewable sources of energy.