Question

I dont understant which one would be the answer and Why?

What should we consider about future oil supplies? when the supplies will be exhausted how much remains when oil production will peak how clean newly found oil reserves will be all of the above

Answer 1

The answer would be all of the above as it is asking what we should consider about future oil supplies. It would include " when supply will be exhausted" as it will determine the amount of oil available for extraction at the rate which we are using the oil. When oil production would peak as it will determine the cost of oil as high supply of oil at comparatively low demand would lead to decrease in its price. How clean newly found oil reserves would be considered as the new sources should be clean for efficient extraction and use so that they could be used efficiently. Hence all of the above points should be considered about future oil supplies.