it is very scarce
Water is the most scarce resource in north Africa and southwest Asia.
water
it is oil
Most of the population in Southwest Asia is located where there is water.
Below is the original answer from some "smart-@$$" The most important resource is Water, mainly for survival. (obviously, the original answer is from some kid who doesn't know what he is talking about.) me i don't think that YOU are an important resource!! Water is an important resource in southwest Asia because without it everyone there would die. the second most important would be oil, but that is less necessary than water, because you can live without it. without oil, southwest Asia would struggle, but they would be alive. without water, well...you can say goodbye to southwest asians completely.
Fossil fuels tend to be more abundant in Southwest Asia and North Africa.
petroleum and natural gas
There are no dikes or canals in Southwest Asia as those things would require an abudance of water, which Southwest Asia lacks.
water
The Red Sea separates North Africa from Southwest Asia
water
The Red Sea.