Physical geography

Physical geography

Industry: Geography

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Physical geography

Endogenic

Geography; Physical geography

Refers to a system that is internal to the Earth.

Emigration

Geography; Physical geography

Migration of an organism out of an area for the purpose of changing its residence permanently. Compare with immigration.

Emissivity

Geography; Physical geography

The ratio of total radiative output from a body per unit time per unit area at a specific temperature and wavelength to that of a black body under the same environmental conditions.

Endangered species

Geography; Physical geography

A species found in nature that has so few surviving individuals that the it could soon become extinct in all or most of its natural range. Also see threatened species.

A molecule composed of one type of atom. Chemists have recognised or created 112 different types of elements. See the following WWW link for the chemical description of these different elements. Two ...

Electromagnetic radiation (waves)

Geography; Physical geography

Emission of energy in the form of electromagnetic waves. All objects above the temperature of absolute zero (-273.15° Celsius) radiate energy to their surrounding environment. The amount of ...