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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 ).
Sliders also reduce the chance of the lines twisting to cause a malfunction. In BASE jumping a rapid canopy deployment is desirable. The slider may be constructed of mesh, packed so that the slider is at the base of the lines and does not inhibit the opening ("slider down") instead of up by the canopy, or removed completely.
Live rock becomes the main biological nitrification base or biological filter of a saltwater aquarium. Harmful elements dissolved in the water of the aquarium, including ammonia, phosphates, and nitrates, are processed with the help of the organisms that are introduced from the live rock into the aquarium's ecosystem.
A first clip has been unveiled from Shaul Schwarz and Christina Clusiau’s Nat Geo documentary “Fly,” which will screen at Hot Docs on Sunday. The doc follows three couples entwined in the ...
Tandem in freefall. Parachuting is performed as a recreational activity and a competitive sport, and is widely considered an extreme sport due to the risks involved. In 2018, there were 3.3 million jumps in the US. [1]
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 ...
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. Fish only tanks often showcase large or aggressive marine fish species and generally rely on mechanical and chemical filtration.
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