because natural gas you can not see it and oil you can see and it is sticky
natural gas comes from the earth where as oil is processed
Drilling for natural gas is similar to drilling for oil, but gas must be liquefied before it can be shipped.
Oil furnaces cannot be converted to gas - LP or natural - as they have totally different burners and have very different internal construction.
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.
No natural gas is natural gas.
Each substance is a different density. Water is the densest, followed by oil then gas.
Oil, Natural gas, and Coal. There major ones.
Oil, natural gas, fishing
crude oil and natural gas