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Natural environment
Related to any physical feature of the earth's natural environment.
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Natural environment > Volcano 
intrusion
Natural environment; Volcano
The process of emplacement of magma in pre-existing rock. Also, the term refers to igneous rock mass so formed within the surrounding rock.
juvenile
Natural environment; Volcano
Pyroclastic material derived directly from magma reaching the surface.
laccolith
Natural environment; Volcano
A body of igneous rocks with a flat bottom and domed top. It is parallel to the layers above and below it.
lahar
Natural environment; Volcano
A torrential flow of water-saturated volcanic debris down the slope of a volcano in response to gravity. A type of mudflow.
landsat
Natural environment; Volcano
A series of unmanned satellites orbiting at about 706 km (438 miles) above the surface of the earth. The satellites carry cameras similar to video cameras and take images or ...
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- Climate (1147)
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- Water (18527)