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Freshwater aquarium lighting is commonly provided by screw-in incandescent bulbs, fluorescent tubes and LED lamps. Incandescent lighting is becoming less popular because it uses much more energy and produces more heat than the other lighting types. [1] Compact fluorescent lighting with a compatible screw-in base is frequently used as a direct ...
BASE jumping (/ b eɪ s /) is the recreational sport of jumping from fixed objects, using a parachute to descend to the ground. BASE is an acronym that stands for four categories of fixed objects from which one can jump: buildings , antennas (referring to radio masts ), spans ( bridges ) and earth ( cliffs ).
A reef aquarium or reef tank is a marine aquarium that prominently displays live corals and other marine invertebrates as well as fish that play a role in maintaining the tropical coral reef environment. A reef aquarium requires appropriately intense lighting, turbulent water movement, and more stable water chemistry than fish-only marine ...
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A marine aquarium Corals in a marine aquarium. A marine aquarium is an aquarium that keeps marine plants and animals in a contained environment. Marine aquaria are further subdivided by hobbyists into fish only (FO), fish only with live rock (FOWLR), and reef aquaria.
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Jumping off a building may refer to: BASE jumping, a recreational sport which uses parachutes for safe landing; A means of committing suicide by jumping from height
Unfinished tower blocks in Los Angeles that have become a destination for vandals, graffiti artists and BASE jumping thrill-seekers have cost 3,000 hours of police time so far, authorities said ...
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