Top 10 deserts facts Selected as the most interesting among deserts related questions in Deserts quiz Why is White Sands Desert in New Mexico so purely white?It is gypsum. White Sands, having 442 total square kilometers of dune fields, is the world's largest surface deposit of gypsum. Unlike other desert sands, it is cool to the touch, due to the high rate of evaporation of surface moisture and the fact that the sands reflect, rather than absorb, the sun's rays.Created by: Debbie Foxnatural resources facts » Which desert has this famous "eye"?Sahara. The Richat Structure in Mauritania, also known as the Eye of the Sahara, was interpreted as an asteroid impact structure, but no evidence for shock metamorphism has been found. Today scientists believe that it is a huge (40 km in diameter) and deeply eroded geologic dome.Created by: globalquiz.orgdeserts of Africa facts » Which continent has the lowest precipitation rate?Antarctica is technically a desert, averaging just 166 mm (6.5 in) of precipitation per year. Only some fringe coastal areas have a tundra climate with a short summer averaging above freezing, and much higher precipitation.Created by: globalquiz.orgweather facts » What are the circular objects visible on this satellite photo taken over Libya?Agricultural fields. This is an astronaut photo of the Al Khufrah Oasis in Libya. The circular shape of fields is characteristic of center pivot irrigation. These fields are approximately 0.6 mile (1 kilometer) in diameter. Lighter colors indicate fields that have been harvested recently or just planted.Created by: globalquiz.orgdeserts of North Africa facts » Australian Gibson Desert is named after Alfred Gibson. Who was he?A man who got lost in the desert. The Gibson Desert was named by explorer Ernest Giles after a member of his party, who became lost and presumably died in the desert. There is almost nothing known about Alfred Gibson apart from his appearance.Created by: globalquiz.orggeography of Australia facts » How much of Australia coastline is desertous? (out of total 21,262 miles/34,218 km)140 miles (180 km). More than 40% of Australia's land is classified as desert, but almost all of it is located inland. The Great Sandy Desert is the only one to extend to the coast, forming the long sweep of the Eighty Miles Beach (which is actually 140 miles long).Created by: CleoAustralia facts » Which border is that?Between the USA and Mexico. The fence on the US-Mexican border can be adjusted to remain on top of the ever shifting sand dunes. It is a special construction of narrow, 15 feet tall elements, that are movable vertically.Created by: globalquiz.orggeography of Mexico facts » In which country is Berber the official language?In Morocco. The Berber language is ancient and has 2200 years of written tradition. In 2011 Berber became a constitutionally official language of Morocco, after years of persecution (under the policy of Arabization). There is a movement among speakers of the closely related varieties of Northern Berber to unite them under a standard language.Created by: globalquiz.orgMorocco facts » Welwitschia is known as the plant with the longest living leaves. How many leaves does it produce in its centuries-spanning lifetime?Two. Welwitschia is endemic to the Namib desert. The age of individual plants is difficult to assess, but many plants may be over 1000 (or even 2000) years old. Because Welwitschia only produces a single pair of foliage leaves, the plant was thought by some to be neotenic, consisting essentially of a "giant seedling." However, research showed that its anatomy is not consistent with the giant seedling idea. Instead, the plant is more accurately thought of as achieving its unusual morphology as a result of having "lost its head" (apical meristem) at an early stage.Created by: Katarzyna Dąbrowskaplants facts » Which desert is the driest in the world? (non-polar)Atacama. The Atacama is the driest of all deserts, with some places having recorded no rain in living memory. It extends along the Pacific coast, forming a huge strip of arid, hostile beach. The average rainfall in the Antofagasta region is 1 millimeter (0.04 in) per year.Created by: KasiaChile facts » Play deserts quiz and see all the questions.