COAL, GAS AND OIL./ NATURAL RESOURCES/ SOLAR ENERGY/ WE CAN SAVE/...
32. coal, gas and oil./ natural resources/ solar energy/ We can save/ instead of/ by using/
__________________________________________________________________
IV. REWRITE
32. coal, gas and oil./ natural resources/ solar energy/ We can save/ instead of/ by using/
__________________________________________________________________
IV. REWRITE