1. Fossil fuels are formed by decomposed organisms.
Coal: remains of ancient vegetation.
Crude oil: a complex mixture of hydrocarbons and small amounts of chemicals like sulfur.
Natural gasses: a mixture of hydrocarbons with small molecules.
2. Countries that use the most coal:
China
USA
India
3. Countries with the largest oil reserves(un-mined coal):
USA
Russia
China
No comments:
Post a Comment