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What percentage of the Sahara Desert is made up of sand?

9%

15%

21%

43%

Regions of sand dunes (erg) occupy only about 15% of the Sahara; "stone deserts," consisting of plateaus of denuded rock (hammada) or areas of coarse gravel (reg), cover about 70% of the region; mountains, oases, and transition zones account for the remainder.

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3

Carlos Castillo www.encyclopedia.com

geography

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Answers by country

Greece

5%

58%

17%

17%

17

Germany

14%

57%

14%

14%

28

Austria

0%

54%

45%

0%

11

the United States

15%

43%

27%

13%

44

India

15%

38%

38%

7%

13

the United Kingdom

12%

37%

20%

29%

24

Poland

18%

31%

24%

25%

1280

What was the reason to build Canberra for Australian capital, rather than selecting one of the existing large cities?

safe location far from the sea

wish of the Indigenous Australians

dispute between Sydney and Melbourne

Which country other than USA named its capital after the president of the United States?

Solomon Islands

Where in the world does slavery still occur at the largest scale?

in Saudi Arabia

What percentage of the area of Egypt is covered with desert?