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searching the web for an answer to the same question, I found this:
http://www.pbs.org/wnet/Africa/explore/sahara/sahara_topography_lo.html
so, it seems the percentage of sand desert amount to 20. I hope this results to be useful. bye.
Seem to remember it being between 12% and 20% sand the rest rock, and scree
Wiki User
∙ 14y ago
Wiki User
∙ 14y agoaccording to pub quiz book 2 the answer is only 28%...
Wiki User
∙ 9y agoSand covers approximately 20 percent of planet Earth's deserts. The Sahara is the largest hot desert, and Antarctica is the largest cold desert.
Wiki User
∙ 10y agoAbout 2% (1,84% more precisely).
Wiki User
∙ 11y ago30.1 %
Wiki User
∙ 10y ago15%
Anonymous
18%
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Is half of the world sand in deserts?
33% of the land surface of the earth is covered by deserts. Of that only 20 percent of the deserts are covered in sand.
What percentage of the desert is sand?
About 20 percent of the land in deserts is covered by sand.
Why are all the deserts are sandy?
They aren't. Only a small percentage of deserts are covered with sand.
What percent of the earth's deserts are covered by sand?
About 20 percent of desert land is covered by sand.
How much do the earth's land surface do deserts cover?
No, the desert covers a relatively small percentage of the total surface of the earth
What proportion of the earth's deserts are sand?
About 20% of deserts are sand.
How many of the world's deserts are sand?
Only about 20 percent of the deserts of the world are covered with sand.
Are deserts made of fifty percent of sand?
No, sand deserts account for about 20% of the deserts on earth.
How much of the earths deserts are covered by sand dunes?
About 20% of the deserts are covered by sand. Others are covered by soil or rock.
Why does sand cover deserts?
Sand only covers about 20% of deserts. The rest are covered by ice, soil or rock.
Do sand dunes represent the largest portion of deserts?
In most deserts, sand dunes are only a small area covered by the desert.
What sand deserts covered most of Egypt?
The Sahara Desert
