Why might middle eastern countries turn to desalination plants only as a last resort? plants have a lot of fixed costs during construction. plants take a lot of electricity to operate. plants need a lot of supplies and labor. plants break down a lot and are hard to maintain.

Plants take a lot of electricity to operate.

Reports show that almost 70% of the world's desalination plants are located in the Middle East with Saudi Arabia producing 20%.

Saudi Arabia runs the world’s largest thermal desalination plant, producing (640,000 m3 per day. Desalination plants like these take a lot of electricity to operate thus Middle Eastern countries turn to it only as a last resort.

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the first question's answer is a.