For example, someone's age might be an independent variable. Other factors (such as what they eat, how much they go to school, how much television they watch) aren't going to change a person's age.
It's known as the Cruelest Place on Earth the desert is known for its extreme heat and in-hospitability atmosphere. Rub al Khali: 650,000 km2: Saudi Arabia, United Arab Emirates, Oman and Yemen. The largest sand desert in the world. The desert is the most oil-rich site in the world. Syrian: 500,000 km2: Iraq, Jordan, Syria and Saudi Arabia. It's also known as the Syro-Arabian. The desert is very rocky and flat. An Nafud: 103,600 km2: Saudi Arabia: It's known as the great arc of reddish sand desert in central Saudi Arabia. Ad Dahna: 650,000 km2: Saudi Arabia
The Sahara Desert, located in North Africa, marks itself as the largest desert in the world by covering more than 3.5 million square miles. Many countries bordering the Sahara experience extreme heat during the summer because of the arid vastness of the Sahara. It can also turn bitterly cold at night. The Sahara Desert is a dry, sandy and arid wasteland. The highest point of the Sahara is Mount Koussi, which is more than 11,000 feet above sea level. At its lowest point, in Egypt, the Sahara is more than 400 feet below sea level.