One disadvantage of using oil is that it is non-renewable, and another is when you burn it, it causes carbon dioxide to go into the air, which causes global warming.
The problem is that oil causes a lot of pollution. And one day all the oil in the world may go away and its harmful to the earth.
Yes, it is.
oil
Oil
Oil has a reserve of chemical energy. If we burn it, that gets converted to heat energy.
The sun
Oil
no
Oil
Oil is a non replenishable source of energy. and, Oil is a "fossil fuel".
Oil takes millions of years to form. Eventually we will run out of oil and need a new source.
The Sun is the ultimate source of all energy on earth.
Oil, for now....
Oil