The Solar Energy is the Origin of the lifes on the earth.
　　Plants synthesize the tissue materials and grow with the solar energy; the earth warms up with the everyday solar irradiationwhich makes the earth suitable for living; scientists h**e developed solor cellswhich can directly transform solar energy into electric energy.
　　Actuallysolar irradiation also makes the air flowwhich gives the wind; solar irradiation vaporizes the waterwhich makes the rain; solar irradiation even help people to produce Vitamin D under the skinwhich guarantee our bones healthy.