Water purification is the process of taking contaminated water and putting it through a cycle that will end up cleaning and sterilizing it. ... Water comes from many different places that can cause water to be contaminated with germs and bacteria, which is why chlorination is used in many cases to provide safer drinking water by killing disease-causing bacteria and pathogens that could be present in the water. ... The demand for the treated water was at its highest in the year of 2009 with the amount of over 16 million liters of water. ... Activated charcoal/carbon filters have many different ...

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• Has Bibliography

In addition of H2O2 Patient G cells also show positive reaction forming oxygen and water which means it decomposes hydrogen peroxide into water and oxygen. ... Results: Color change Oxidase E.Coli No color change Negative Pseudomonas Aeruginosa Changed to Blue Positive Observations: After adding oxidase reagent Pseudomonas Aeruginosa prodeuces cytochrome c oxidase as indicated by the blue color; however, E.Coli do not produce cytochrome c oxidase. ... This color change is an indication that the organism produces cytochrome c oxidase as part of its ETC. ... Results: After adding reagent to ...

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• Grade Level: High School

This was performed by testing the clarity of water in a spectrophometer. ... Since distilled water in slightly basic, it test tube appeared red. ... When placed under a light, the elodea cells were able to photosynthesize and create oxygen, which turned the water back to a reddish color. ... Every five minutes, the test tubes were unwrapped and observations of the color inside the test tubes were recorded. ... If there was to be a quicker rate in photosynthesis in any of the test tubes, then the water in that test tube would be a reddish color. ...

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They are extensively used in making crude oil and are considered good fuels because they burn completely to give carbon dioxide and water. ... This fuctional group when reacted with other substnces changes its color with the pattern, colorless to pale yellow to brown, which means that as time goes by, its color change tends to be deeper. ...

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The Planet probably got its name from its red color, Mars is sometimes called the red planet. ... There is other possibilities of other fluids besides water on planet Mars . ... It has a thin atmosphere composed of tiny amount of Carbon dioxide 95.3% plus nitrogen 2.7%, argon 1.6 %, and traces of oxygen .15 % and water .03 %. ... The atomic pressure and temperature of Mars is too low for water to exist as a liquid. The small amounts of water Mars has been trapped in polar ice caps or has been frozen beneath the surface....

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• Grade Level: High School

The salty smell of the ocean water and the dank seaweed hang in the air as if it were something I could touch. ... The salty water is cool, but not cold, as it swirls around my ankles. ... As I stroll along the water's edge, I come across a seashell no bigger than a golf ball. ... It is a shining white, when I move it in the last light of the setting sun; it changes its color into a rainbow of pastels. ... I continue my walk along the water. ...

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Acids which are not combined with water are dangerous - they change so fast that they can react with skin and cause burns. Bases are bitter, water-soluble substances which are also very useful. ... The solutions they form with water are called basic solutions. ... Other characteristics to watch for when mixing two or more substances are heat and light, flames, explosion, color change, and evolution of gas. ... You need water to help it show. ...

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• Grade Level: High School

Dehydration is the loss of body water. ... After dehydration, further loss of water from the body causes dizziness, nausea, cramps in the abdomen and feeling of severe thirst. ... To prevent the aeromedical condition make sure to provide enough water to be frequently used when on a long flight. ... In planes detectors that change color in the presence of carbon monoxide alerts the individual. ...

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• Grade Level: Undergraduate

Ozone Layer Depletion Imagine a world with bad air, polluted water, starvation, increased cancer conditions and even limited land. ... It is blue in color and has a strong odor oppose to normal oxygen which has two oxygen atoms that are colorless and odorless. ... The effect of CO2 is amplified by the atmosphere (especially water vapor) to produce a large temperature increase which leads to very strong global warming potentials. ...

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• Grade Level: High School