The best answer among the following choices would be the third option C).
One of the solutions for water in the Middle East is Desalination. This is often practiced or used in regions that are near the coast.
<h3>What is Desalination?</h3>
This is the process of converting Sea Water (which comprises of a lot of natural salt) into drinkable water that is saltless.
Desalination is not cheap. It involves the use of a lot of equipment especially because the volume of water that needs to be produced is very huge.
See the link below for more about Desalination:
brainly.com/question/7444682
Subject is a noun, meaning a person, place or thing.
The subject gives us the focus point of the sentence.
In a simple subject there is one noun completing the action of the sentence.
