What is difference between Brent crude and WTI crude?

Related questions

1. How many Litres of petrol are in a barrel of crude oil?
2. How many Litres are in a barrel?
3. How many Litres of petrol can a barrel of crude oil produce?
4. What comes out of a barrel of crude oil?
5. How many Litres make a barrel?
6. Why is Brent crude the benchmark?
7. Why are there 42 gallons in a barrel?
8. Why do crude oil prices fluctuate?
9. How many Litres is a barrel of diesel?
10. How much diesel is produced from a barrel of crude oil?

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