fossil fuel
fossil fuel
Coal oil and natural gas
Wind,natral gas,and dams.
In the state of Louisiana, natural gas is the main source of energy. The state's second leading source of energy is coal.
coal, oil, natural gas. apex
coal oil and natural gas
the sun is the main source of energy of the earth the sun is the main source of energy of the earth the sun is the main source of energy of the earth
sun is the main source of energy.
Sunlight is the main energy source for life on earth.
Petroleum is the main source of energy for transportation.
United States of America, with 4 167.109 kWh in 2007.
carbohydrates