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Natural environment
Related to any physical feature of the earth's natural environment.
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Natural environment > Speleology
cave coral
Natural environment; Speleology
A rough, knobby growth of calcite resembling coral in shape, generally small; found on floor, walls, or ceiling of a cave. Synonym: botryoid; coral formation; cave popcorn.
coralloid
Natural environment; Speleology
A rough, knobby growth of calcite resembling coral in shape, generally small; found on floor, walls, or ceiling of a cave. Synonym: botryoid; coral formation; cave popcorn.
cave popcorn
Natural environment; Speleology
A rough, knobby growth of calcite resembling coral in shape, generally small; found on floor, walls, or ceiling of a cave. Synonym: coral formation; cave popcorn.
breccia
Natural environment; Speleology
Angular fragments of rock, commonly, but not inevitably, cemented by finer-grained materials including silica, iron minerals, and calcite to form a new rock. Many fault planes are ...
diving suit
Natural environment; Speleology
A garment or device designed to protect a diver from the underwater environment.
cave-in
Natural environment; Speleology
1. The collapse of the ceiling or side walls of a cave or of the land surface into a subterranean passage as a result of undermining or of pressure from above. 2. The partial or ...
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- Air (43)
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