It's becoming more scarce in the world.
Plastics are made mostly from petroleum, and petroleum is getting more expensive. It is a non renewable resource, in the sense that there is only so much oil in the oil wells, and when it is pumped out, it does not get replaced. We might have to switch to agricultural sources of oil, which will be more expensive.
Because at one time whale oil was very expensive so people would kill whales to get it. Then they found oil on land underground and it was easier to get oil from the oil than whales.
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Inflation.
is oil cheap or expensive
so that it does not become too common on road
THEY ARE SO EXPENSIVE BECAUSE EXPENSIVE PERFUME HAS A CERTIAN AMOUNT OF NATURAL INGREDIANTS WHICH IS VERY EXPENSIVE actually, its because the expensive perfumes usually contain musk oil.
expensive.
Well, they get oil and right now oil is expensive so they get more money. Plus not many people live there so to them it is better to drill there.
The oil is so expensive because our oil comes from the Persian Gulf and is shipped here. Since oil is originally from that area, it's pretty expensive. The distance is not the major factor in the price of a barrel of oil. The most important factors are the limited production of OPEC and the uncertainty caused by constant wars in the Middle East.
This is true but it could also be true of any fossil fuel. The problem is will it become too dangerous and will it become too expensive to excavate and extract these commodities.
Because a lot of them are based on the chemicals we get from crude oil, and as this is used up its price will rise.