Curious for a while, geographical knowledge, please answer carefully
1 thought on “Who can analyze the reasons why there are many coal reserves in Jining area”
Carolyn
Coal is formed by plants with virgin forests. Where is the more coal that shows that in ancient times, where it must be a very dense forest. Under the change of overwhelming stratum, coal is formed after several millions of years
Coal is formed by plants with virgin forests. Where is the more coal that shows that in ancient times, where it must be a very dense forest. Under the change of overwhelming stratum, coal is formed after several millions of years