1
what are the main types of electricity production
gasoline, charcoal, ethanol, biodiesel, petroleum coke
hydropower, wind power, solar power, nuclear power, fossil fuels, biomass
2
what are renewable energies?
oil, mineral coal, natural gas and nuclear.
hydro, solar, wind, biomass, geothermal, oceanic
3
What is the most used source of energy in Brazil?
Biomass
Sugar cane
Hydro-electric energy
4
What are the disadvantages of wind energy?
The wind is very erratic, so power generation can often be unpredictable
Turbines (blades) too small to generate enough energy
5
What are the risks of using nuclear energy?
Wind farms occupy large areas
no use of fossil fuels
production of radioactive nuclear waste
Influence on the flora and fauna of the wetlands
