That's the one geography question I don't know! But what you can do is use a textbook or class notes if you have them or search online your question and you should find a a couple websites.
I hope this helps!
Answer:
Water and oil
Explanation:
Water keeps us alive and oil is used in many machines and for power. Both products have cause conflicts over who gets sources of it.
I believe it is the first answer
hope this helps
