Answer:
Since the oil is lighter than water, it glides over any water in the oil store.
Explanation:
Oil gases, including flammable gas, are the least thick material in the arrangement and are situated over the oil.
Boring and setting a pipe to the oil save permits recuperation. Oil isn't appropriated uniformly around the globe.
Marginally not exactly 50% of the world's demonstrated stores are situated in the Middle East (counting Iran yet not North Africa).