Renewable energy (solar, wind, water, hydro, tidal and wave, geothermal, ocean thermal, biomass and biofuel).
coal,wood
No natural gas is natural gas.
should we use natural gas and oil
Oil and natural gas.
Oil and natural gas are both "fossil" fuels.
If your question is "Is natural gas often found where crude oil is found?" then the answer is yes.
Is natural gas fossil fuel
Alternatives fuels are fuels that are not made from fossil fuels (coal, oil and natural gas).
Research into biofuel could provide valuable alternatives to oil and natural gas.
Wind, water, propane, electricity, animal... Bioenergy, Geothermal, Coal, Natural Gas, Oil...
Natural gas on top of the oil. Natural gas is less dense.
Oil and natural gas.
Oil and natural gas are fossil fuels.
No natural gas is natural gas.
1. Oil 2. Coal 3. Natural Gas...
Oil, natural gas, fishing
natural gas comes from the earth where as oil is processed
crude oil and natural gas