This Land Is Mined: The Coal Masterclass
Decouple
00:00
The Evolution of Lignin and the Evolution of Trees
Trees evolved to be large and rapid growing at the same time that organisms that break down that plant life couldn't quite keep up. So trees grew, they fell on each other and were buried and eventually were covered and went into the earth. The different types of coal end up having very different uses and different properties that change the way countries discovered them.
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