Introduction Tropical island reef flats serve as habitats for a diverse range of organisms. Among these organisms is an abundance of macroalgae. Macroalgae may even be numerous enough to comprise most of the benthic area near a reef (Carpenter 1986‚ Villaça et al. 2010‚ Hay 1981). The large presence of macroalgae corresponds to a large role as primary producers (Carpenter 1986). Thus‚ these organisms can play an important part in marine food webs. Aside from the effects of herbivores‚ macroalgae
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Oceanography also called oceanology or marine science‚ is the branch of Earth science that studies the ocean. It covers a wide range of topics‚ including marine organisms and ecosystem dynamics; ocean currents‚ waves‚ and geophysical fluid dynamics; plate tectonics and the geology of the sea floor; and fluxes of various chemical substances and physical properties within the ocean and across its boundaries. These diverse topics reflect multiple disciplines that oceanographers blend to further knowledge
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going to discuss some of the medical experiments that were done to the prisoners by Nazi doctors. According to Education…A Legacy Forum‚ some of these experiments are freezing/hypothermia‚ high altitude tests‚ testing of the chemical sulfanilamide‚ seawater experiments‚ phosgene gas testing‚ genetic testing‚ and the experimentation on twins. These experiments‚ no matter which one‚ were cruel and inhumane. Nazi doctors would experiment on prisoners without caring about the welfare of their patient. All
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temperature increased by 30 percent. Rivers usually keep the ocean stable because they have to carry all of the chemicals‚ but they haven’t been able to keep up with all of this CO2. As a matter of fact some of these animals’ shells dissolve in this acidic seawater which doesn’t help at all. With
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K.R.Mangalam World School South City-I‚ Gurgaon Class-VIII Sub.-Chemistry (Chemical Effects of Electric Current) EXTRA QUESTIONS: Q. Why the bulb glows when the electric current passes through it? Ans. Due to the heating effect of current‚ the filament of the bulb gets heated to a high temperature and it starts glowing. Q. Write a short note on: (a) LED Ans. LED- Light Emitting Diodes are used for lighting. There are two wires(called leads) attached to a LED. One lead is longer than the other
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driven or be a separate electrically driven pump pushes the water around the circuit. After passing through the engine‚ where it removes the heat from the cylinder liners‚ cylinder heads‚ exhaust valves and sometimes the turbochargers‚ it is cooled by seawater and then returns to the engine. The temperature of the cooling water is closely controlled using a three way control valve. A fresh water generator (FWG) which is used to produce fresh water from sea water is also incorporated Pumps Pumps
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Amazing animals that can fly These animals are naturally born without wings on their body‚ and most of their relatives are also can not airborne in the air. But with thousands and thousands years of evolution and adaptation to their surroundings‚ they finally found the way how to“flying” without wings. In fact‚ to some of these animals‚ the word “flying” is misleading‚ as they actually gliding in the air between a short to medium distance instead of really fly. They are also often called as the
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the Accepters. Journal of Environmental Management. 90‚888-900. 11.American Water Work Works Association(2011).Desalination of Seawater Maunal of water supply practices(M61). jP.94-97 http://www.adelaideaqua.com/downloads/First%20desalinated%20water%20media%20release%20AA%20D&C.pdf *14. Micale‚G.‚ Rizzuti‚ L.‚ Cipollina‚ A.(2009). Green Energy and Technology. Seawater Desalination: Conventional and Renewable Energy Processes.[electronic version].Italy: Spring Berlin Heidelberg. DOI: 10.1007/978-3-642-01150-4
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12.097 Environmental Chemistry of Boston Harbor – IAP 2006 Lab 1: DETERMINATION OF DISSOLVED OXYGEN BY WINKLER TITRATION 1. Background Knowledge of the dissolved oxygen (O2) concentration in seawater is often necessary in environmental and marine science. It may be used by physical oceanographers to study water masses in the ocean. It provides the marine biologist with a means of measuring primary production - particularly in laboratory cultures. For the marine chemist‚ it provides a measure of
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Water is the most abundant molecule on Earth’s surface. It is essential for life on Earth. The unique properties of water makes life possible on earth. One property of water is surface tension. Water has a surface tension 2 – 4 times the surface tension of most organic liquids. Surface tension is highest for pure water. This enables insects called neuston to walk and live on the surface of water in low-nutrient water bodies‚ where they would starve if immersed in the water. This anomaly permits
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