quinta-feira, 21 de outubro de 2010

Renewable Energies

Renewable energies are the energies that could renew themselves at time of a human life.
Some types of renewable energies are:
- Sun energy;
- Wind energy;
- Water dam energy;
- Biomass.



Non-renewable energies are the energies that couldn't renew themselves or spend a long time to renew themselves.
Some types of non-renewable energies are:
- Oil
- Carbon;
- Nuclear energy;
- Natural gas.
The government should imput renewable energies in schools and public buildings.
People don't use this type of energies because they are to expensive, people are already used to non-renewable energies, because is not in the major interest of the biggest companies that rule this market and the oil is a big business...

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