DIEN T OR F T A) SOLAR ENERGY IS S CHEAP, CLEAN, EFFECTIV...

2) - DE KIEM TRA HOC KY II KEM DAP AN
DE KIEM TRA HOC KY II KEM DAP AN
2) dien T or F T a) Solar energy is s cheap, clean, effective source of power. F b) We have used less fules nowaday. T c) Solar energy will provide for a very long time. T d) Solar energy can be uesd to cook food.Bai 3: