Coal, oil, and natural gas are the main three nonrenewable primary energy sources.
The three sources of food energy are protein, carbohydrates (sugars), and fats.
CARBOHYDRATES FATS PROTEIN
Nuclear energysolar energynatural gas energy
a lot. about 3.
Petroleum, natural gas, and coal
The sun
What are iran's energy sources?
Combustion, solar radiation, and Nuclear reactions.
The energy sources that I am most excited about all have lower carbon emissions, compared to conventional energy sources. These include Biomass Energy, Wind Energy, Solar Energy, Geothermal Energy, and Hydroelectric Energy sources.
A= The three main sources are coal, petroleum and natural gas. Source - Wikipedia HOPE THIS HELPED!
Is wind and sun a pair of sources of energy