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renewable energy,nonconventional energy,sustainable energy

Renewable Energy and Sustainable Energy for the Future

Before study Renewable Energy OR Nonconventional Energy OR sustainable energy, we have to know non-renewable energy. Non-renewable energy is defined as, from a source that is exhaust when used. Such as, electrical,mechanical,thermal,chemical,optical,magnet energy etc.As Renewable Energy or Nonconventional Energy Definition, from a source that is