People who live in hot, dry climates often rely on? for their drinking water.

Desalination plants are the right answer.

Desalinization is the method used to remove salt from the water of oceans. The Desalination plant is drought-proof, assistant water equipment that accommodates up to twenty-five million gallons of water per day to the people living in the desert region. The seawater that appears into the desalination plant passes through an austere pre-treatment method through which the fresh water is sequestered from the ocean water. The final product is the great quality drinking water that provides up to 10% of the area's requirements.

the answer is c because it is most logical.