NEET BIOLOGY

Detailed explanation-1: -There are hundreds of dams on wadis in Saudi Arabia. Saudi Arabia is the largest country in the world with no rivers at 830, 000 square miles. Or put another way, it’s slightly more than 3 times the size of the state of Texas!

Detailed explanation-2: -Saudi Arabia is a desert country with no permanent rivers or lakes and very little rainfall. Water is scarce and extremely valuable, and with the country’s rapid growth, the demand for water is increasing. The Kingdom, therefore, has turned to innovative ways to provide enough water to support its development.

Detailed explanation-3: -There are no rivers or lakes or areas of abundant natural vegetation because rainfall is scant to non-existent. Over the centuries, through oases and then desalination plants, the Saudi people have found enough water to support their daily lives.

Detailed explanation-4: -Saudi Arabia is the biggest nation in the world without a river. It is also the only country with both the Persian Gulf and the Red Sea coasts. A considerable part of Saudi Arabia is made up of mountains, lowlands, and arid desert. Even though Saudi Arabia does not have permanent rivers, it has several wadis.

Detailed explanation-5: -The Arabian Peninsula is the largest subregion in the world without any permanent natural river. Countries in this subregion have wadis instead. The Chinese special administrative region of Macau has no permanent natural rivers other than a small man-made canal named Canal Dos Patos ().