Coal is the most polluting, then oil, then natural gas.
Coal is the most widely used source of non-renewable energy.
renewable source of energy can be regenerated but non-renewable source of energy can not be regenerated.
They use a renewable source of energy. Most are constructed using non renewable resources.
no its a renewable source of energy
Non-renewable energy source means that the source will eventually run out and is not renewable.
Coal is a non-renewable resource.
Fossil fuels are a non-renewable energy source.
No, wind is a renewable energy source. The wind will always be blowing!
The most popular renewable energy sources currently are: Solar energy. Wind energy. Hydro energy. Tidal energy. Geothermal energy. Biomass energy.
Natural gas is a non renewable energy source.....
some energy sources are non renewable but some are renewable
Not in the literal sense of the words "Mechanical Energy". It depends on the source of the mechanical energy.If the source is renewable, like solar or wind generated electricity, then the mechanical energy is renewable.If the source is non-renewable, like electricity from burning oil, then it is non-renewable.