Sand questions

This is a list of recently added questions about sand.

What is the largest sand desert in the world?

The Rub' al Khali desert is the largest continuous sand desert in the world, encompassing most of the southern third of the Arabian Peninsula. The desert covers some 650,000 km² (250,000 sq mi) including parts of Saudi Arabia, Oman, the United Arab Emirates, and Yemen.

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wikipedia → Rub' al Khali

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Saudi Arabia questions

What is inside the camel's hump?

Camels can live without water for many days. They don't sweat, and don't lose water in their excrement. Camels drink seldom, but they can drink 100 litres of water in 10 minutes.

Toyota

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Camels questions

This photo has been taken at a seaglass beach in Hawai'i. How is the sea glass formed?

from lava droplets that fall to the sea during land volcano explosions

in deepwater volcano explosions

during lightning strikes

Sea glass beaches are created from years of dumping garbage into an area of coastline. Sea glass begins as normal shards of broken glass that are then persistently tumbled and ground until the sharp edges are rounded.

life-o-holic

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Beaches questions

Where are such formations usually found?

in extinct volcanoes

Desert rose is the colloquial name given to rosette formations of crystal clusters of gypsum or baryte which contain abundant sand grains. Desert roses occur when the crystals form in arid sandy conditions, such as the evaporation of a shallow salt basin.

Carlos Salto

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Deserts of North Africa questions

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