Renewable energy

Abstract

 Abstrast  Energy Resources       It can be classified into two categories:Nonrenewable Energy Conventional and fossil fuelTheir supplies are limited and we cannot produce as much fossil fuel in a short time as we likeMost of our electricity is generated based on nonrenewable energy resourcesFossil fuel are: coal, petroleum, natural gas Renewable EnergyAlternative Energy It can called sustainable energyIt include: biomass, geothermal energy, hydro power, solar energy, ocean energy, and wind energyThey are called renewable because they are replenished or regenerated in a short timeWe use renewable energy sources mainly to make electricity and provide thermal heat for applications