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The Database for the Environment

The Database for the Environment gives you a good overview about all important aspects of our environment.

Arsenic

Arsenic is a highly poisonous semi-metallic element. According to a 1999 study by the National Academy of Sciences, arsenic can cause bladder, lung, and skin cancer and may cause kidney and liver cancer. 

Dispersion

A Dispersion is the degree of "data scatter” (random disposition) around the data mean or median.

Gamma radiation

Deutsch: Gammastrahlung / Español: Rayos gamma / Português: Radiação gama / Français: Rayon gamma  / Italiano: Raggi gamma 

A Gamma radiation is a short-wavelength electromagnetic radiation of nuclear origin, with energies between 10 keV to 9 MeV.

SEM

The acronym SEM may refer to any one of the following: 

In Economics and Management:

• Single European Market (or internal market), a single market of the European Union
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