Solar energy introduction

 Solar energy is the energy from objects outside the Earth (mainly solar) energy needed for the vast majority of human beings, either directly or indirectly from the sun.  It is a variety of plants through photosynthesis to transform solar energy into chemical energy stored in plants down. Coal , oil, natural gas and other fossil fuels is also buried in the ground from ancient plants and animals through the long geological formation.  They are essentially fixed by the ancient biological solar.  In addition, hydro, wind , etc. are also from the solar energy conversion to the.

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