Answers

2016-02-17T15:27:26+05:30
Petroleum has changed the economy of Saudi Arabia because today every country needs petrol and petroleum products thisĀ  is beneficial for it
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2016-02-17T15:42:42+05:30
petroleum has changed the economy of Saudi Arabia because petroleum is needed by everyone and petrol is found mostly in saudi arabia
as petrol is very costly it helps in their economic development
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