Geography Quiz 03:37 Post a Comment 1.The highest grade and best quality coal is? A.Lignite B.Peat C.Bituminous D.Anthracite 1-(D) 2.The oldest type of energy known to man is? A.Wind power B.Solar power C.Tidal power D.Geothermal energy 2-(D) 3.The most densely… Read more