substitute
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.
Shaik A. Qader has written: 'Natural gas substitutes from coal and oil' -- subject(s): Coal gasification, Oil gasification
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
crude oil and natural gas
natural gas comes from the earth where as oil is processed
The three main fossil fuels are coal, oil and natural gas
Oil and Natural gas Oil and Natural gas
because natural gas you can not see it and oil you can see and it is sticky