'Coal comes from all the peat that grew in the forests of this "element"ary period 360 to 290 million years ago'
carboniferous
PREHISTORIC TIMES: Coal comes from all the peat that grew in the forests of this elementary period 360 to 290 million years ago
Coal comes from all the peat that grew in the forests of this "element"ary period 360 to 290 million years ago
Coal comes from all the peat that grew in the forests of this "element"ary period 360 to 290 million years ago
PREHISTORIC TIMES
carboniferous
PREHISTORIC TIMES