……….THE SOLAR ENERGY THAT GETS TO THE EARTH CANNOT PROVIDE ENOUGH P...

3. - TIET TRA BAI KIEM TRA
TIET TRA BAI KIEM TRA
3. ……….The solar energy that gets to the Earth cannot provide enough power for the world’s population.4……… Solar energy can be used on cloudy days.5……….. All buildings in Sweden will be heated by solar energy in 2015.