The countries that produce & export the most coal is:
1.China
2.USA
3.European Union
4.India
6.Russia
9.Germany
10.Poland
coal in depth of earth formed by trees which were buried over thousands of years ago may be due to some natural disaster , and as we know earth depth is warm , and trees converted to coal .
coal is not renewable because coal is hot.
yes
Petrochemicals come from petroleum -Oil. However, some chemicals extracted from petroleum (petrochemicals) , may also be extracted form coal.
bugers and poop - whoever wrote this needs to grow up! Coal comes from factories and you can make coal from fossil fuels.
obtained from coal tar or petroleum
coal is not renewable because coal is hot.
does it come from the Huntly coal fields, or is it imported from overseas.
coal and oil come from many different places. Like coal from mines. oil from the ground.
yes
silver and coal
yes
there is not a certain size a coal rock can be because they come in all sizes.
Coal
Mines
Coal.
From prehistoric plants that died and turned to coal. Sometimes in underground coal mines we find a tree stump that is coal, but can still be recognized as a tree stump.
Petrochemicals come from petroleum -Oil. However, some chemicals extracted from petroleum (petrochemicals) , may also be extracted form coal.