WHAT IS THE MAIN TOPIC OF THIS PASSAGE

câu51. - BAI TAP LUYEN THI DH câu51. - BAI TAP LUYEN THI DH
BAI TAP LUYEN THI DH
Câu51.What is the main topic of this passage?A.The benefits os solar ang wind power over convenrinal energy sources.B.How energy resources are tapped from nature.C.Two types of alternative energy sources that should be further untilized.D.Examples of use of energy sources worldwide.