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Testis
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Kennedy Space Center
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Crabeater seal
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Debugger
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Narcolepsy
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Peregrine falcon
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Hanbury Brown–Twiss effect
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Ununseptium
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Karstic network
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Carrot
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Rabies
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Geoid
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Up quark
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Peas
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Geoportail
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Starch
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White matter
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Carding
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Enteritis
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Permanent world
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Forums
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Pathology
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Garden strawberry
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Chloritoschist
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African clawed frog
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Gynaecomastia
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Epileptic seizure
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Anticholinergic bronchodilator
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Equation
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Patina
Erg
The term erg is used in geography and physics.
Geography
An erg is a desert with wind dunes. In the Sahara, ergs constitute 20 % of the surface area.
Physics
Erg is the abbreviation of the Greek ergon. It is a unit of measurement for work in the CGS system (physical measurement unit system).
1 erg is equal to 10-7 joules.
There are many ergs in the Sahara. © Alex Lichtenberger, Flickr CC by-nc-nd 2.0
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