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Natural environment
Related to any physical feature of the earth's natural environment.
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Natural environment > Speleology
littoral cave
Natural environment; Speleology
A type of cave formed primarily by the wave action of the sea.
clay
Natural environment; Speleology
A mineral substance made up of small crystals of silica and alumina, that is ductile when moist.
pseudokarst
Natural environment; Speleology
Terrane with features similar to karst but formed in nonsoluble rocks, as by melting of permafrost or ground ice, collapse after mining, and by outflow of liquid lava from beneath ...
stalagmite
Natural environment; Speleology
Speleothem, normally of calcite, formed by upward growth from a cave floor, and therefore the complement of a stalactite. Stalagmites form when dripwater that is still saturated ...
mountaineering
Natural environment; Speleology
Mountaineering is the sport, hobby or profession of walking, hiking, backpacking and climbing mountains.
alpine techniques
Natural environment; Speleology
Alpine Techniques include mountaneering skills like rock climbing, alpine navigation, rope leadership, lead climbing, how to extract yourself and party members from a crevasse, ...
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