freshwater versus saltwater aquariums. We ’ll try and shed some light on some of the differences when it comes to tank types‚ aquarium setup costs‚ maintenance tasks associated with both tanks‚ and general cost of fish needed to maintain the aquariums. If you are thinking about this process than you will need to read this comparison since we have vast knowledge and experience converting these tanks. Please keep in mind that both setups allows the enjoyment and tranquility of the owner to watch the activity
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salient in the Eastern Front that extended 70 miles toward the west. The salient was a bulge in the Soviet lines that stretched 150 miles from north to south and extend 100 miles westward into the German lines. This battle came to be known as the largest tank battle in history. This battle was also Germany’s last grand offensive on the Eastern Front and it took place from July and August of 1943. Germany had two plans to approach the taking off the lands from the city of the Kursk. The two plans were
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guppies in a separate breeding tank or placing them into a community tank. There are pros and cons to both ways of breeding. Putting the guppies in a separate breeding tank is a good choice because the owner is able to control the conditions of the tank. The breeder may also choose the color of the babies the fish will have. The cons of separating the two parents from the community tank is the cost of this action. If you were to separate them‚ you would have to buy a new tank and all of the necessities
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temperature Problem (3) Determine the transfer function H(s)/Q(s) for the liquid level shown in figure below Resistance R1 and R2 are linear. The flow rate from tank 3 is maintained constant at b by means of a pump; the flow rate from tank 3 is independent of head h. The tanks are non-interacting. Solution and balance on tank 3 gives writing the steady state equation Subtracting and writing in terms of deviation Taking Laplace transforms We have three equations and 4 unknowns
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The Apollo 13 exploration objective was to land in the Fra Mauro Area of the moon‚ but a sudden oxygen tank explosion prevented the spacecraft from landing‚ and facilitated changes to be made to the space program. To make interstellar travel believable NASA was created. The Apollo program was the idea that man could travel‚ walk upon‚ and see the moon. Apollo 13‚ the third human lunar landing and exploration mission‚ had been tentatively scheduled in July 1969 for launch
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substance that remains after humans have used water for domestic or commercial purposes. It is consists of about 99.9% water and 0.1% suspended and dissolved solids. primary wastewater treatment -primary wastewater treatment occurs in sedimentation tank‚ also called clarifier. Here‚ heavier particles settle to the bottom forming sludge. Above the sludge most of the waterwaste and on to of this is a layer of oils and fats so called scum. The layers of oils and scums are removed‚ and the clarified wastewater
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read it. First I will clean the fish tank by myself. I have everything like rocks‚ plant and I have a fish tank. You only have to buy me a fish and a plant. I can take care of it myself by feeding it‚ cleaning the tank; this will get me more responsibility. It does not take that space because the tank is small. Also it does not make noise like filter; I have no filter so it is quiet. It does not chew on the furniture like dogs dose and it stays in stays in a tank. Next it does not poo everywhere around
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of the tank which collects the deserted food particles. I accidentally suck up a small pebble with the fish food I tried eating from the bottom of the tank. It seems a little bit crowded in this 20" X 13" tank that not only holds nine fish‚ but also two huge sea shells. Both of the pink shaded shells give the tank a happy look. There are also plastic green plants sticking out from the shells and rocks. As I am observing these objects‚ I am swimming back and forth in the tank. A hollow
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Enterprises Sulfuric Acid Tank Explosion Chemistry of Hazardous Materials Mr. Giles Hoback July 22‚ 2014 Abstract On July 17‚ 2001 there was an explosion at a Motiva Enterprises refinery. The refinery is located in Delaware City‚ Delaware. A work crew was working on the sulfuric acid tank when the explosion took place. The work crew was repairing a catwalk under hot work conditions. A spark fell into the vapors that were being emitted from the sulfuric acid tank and ignited. The vapors were
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think that happened in both Wars. They have War ending weapons in World War one‚ but in World War two they were about taking the world. The Wars had reasons for beginning‚ they had type of weapons that caused the massacre‚ they had the invention of the tank‚ and how they ended. The first World War also known as “The Great War”. It was the war to end all wars. It all started from a single gunshot which isn’t important‚ but it was because of who it hit and killed. In the empire of Austria Hungary back
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