Oil and natural gas.
The most important resource for the whole region is oil.
It depends on how you read the question.If the question is asking what are the most important resources for Middle East exports, the answers are petroleum and natural gas.If the question is asking what resource is most valuable to Middle Easterners, it is water.
It depends on what you mean by "important".In terms of export value, the following are the most important resources of the Middle East:Oil/PetroleumGoldDiamondsEmeraldsNatural GasIn terms of sustaining the lives of Middle Easterners:Water/RainFirm soil
Oil.....Black gold.
Human beings, of course!
Mecca and Dubai are the most important market places in the middle east.
oil
Oil and petroleum products.
Water, all middle eastern countries, excpet lebanon, are water deficit countries. Besides,platinum is currently the most expensive and rare resource throughout the world not just the middle east where its production is not much.
There are many holy cities in the Middle East, but Jerusalem and Mecca are most important.
Petroleum (most $$) or Water (most needed) (depending on how the question is read).
The four most important rivers in the Middle East are the Nile River, the Jordan River, the Euphrates River, and the Tigris River.