Type:

Other

Description:

Sand covers only about 20 percent of the Earth's deserts. Nearly 50 percent of desert surfaces are gravel plains where removal of fine-grained material by the wind has exposed loose gravel and occasional cobbles. This web page, produced by the U.S. Geological Survey, features text and photographs that describe desert landforms, soils, plants, and the role of water in the formation of desert landscapes.

Subjects:

  • Science > General

Education Levels:

  • Grade 1
  • Grade 2
  • Grade 3
  • Grade 4
  • Grade 5
  • Grade 6
  • Grade 7
  • Grade 8
  • Grade 9
  • Grade 10
  • Grade 11
  • Grade 12

Keywords:

Space sciences,Soil science,NSDL,Oases,Eolian deflation,Space Science,oai:nsdl.org:2200/20070206162218614T,Physical sciences,Geology,Arroyos,Astronomy,Science,NSDL_SetSpec_2802835,Caliche,Chemistry,Physics,Wadis,Ecology, Forestry and Agriculture,High School,Cactus,Geoscience,Earth science

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

Collections:

None
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