Sugar.
It will give you a quick burst but will come back to make you very tired afterwards. Or caffine.
Glucose
This source of energy is glucose.
Fire is not a source of energy it is a manifiestion of the release of energy.
Canada
For us here on Earth, the prime source of energy is the Sun.
Wind
Hydropower
Biomass is the source of almost half of America's renewable energy.
most likely, it's coal
most likely, it's coal
Biomass is the source of almost half of America's renewable energy.
Hydroelectric power