petroleum is like time ......once gone will never come back
shreya
coal is a gold don't steel it
Fuel from coal and petroleum, which is believed to be of fossil origin.Fuel from coal and petroleum, which is believed to be of fossil origin.Fuel from coal and petroleum, which is believed to be of fossil origin.Fuel from coal and petroleum, which is believed to be of fossil origin.
Fuel from coal and petroleum, which is believed to be of fossil origin.Fuel from coal and petroleum, which is believed to be of fossil origin.Fuel from coal and petroleum, which is believed to be of fossil origin.Fuel from coal and petroleum, which is believed to be of fossil origin.
save electricity to save coal by space girls
save electicity save tomorrows future
we should save fuel
Petroleum and coal are largely used in chemical industry or as fuels.
Solar energy is stored in coal and petroleum.
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Three states that have petroleum, natural gas, and coal are Texas, Montana, and Pennsylvania.
Because coal and petroleum are themselves fossil fuels.