Question

How did the countries of the Arabian Peninsula solve the problem of obtaining their scarcest resource?

They built oil wells and oil pipelines.


They built sailing vessels for fishing and trading.


They built homes from sun-dried bricks.


They built industrial plants to remove the salt from seawater to use it for irrigation and drinking.

Answer 1

They built industrial plants to remove the salt from seawater to use it for irrigation and drinking.Explanation:gradpoint

Answer 2

I believe the final answer is correct. Water is a desert's scarcest recourse.