Surface Tension Properties of Liquids Introduction The purpose of this experiment is to measure and record the surface tension of water and other aqueous solutions using capillary rise method techniques and practicing lab safety. In this laboratory the surface tension of water depends on the concentration of the following solutes; NaCl‚ acetone‚ and sodium dodecyl sulfate (SDS). Intermolecular interactions as well as other phases (solid‚ or air) make a liquid exist. The data collected will show
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Pesticides are frequently used for controlling pests in agricultural field but they also enter into aquatic system and ultimately affect non-target organism like fish very adversely.Profenofos a well known organophosphate pesticide is a potential toxicant polluting the aquatic system which has been in agricultural use for controlling pests . The present study is aimed to assess the histopathological impact of lethal (0.3 parts per million (ppm)) and sub lethal (0.06 parts per million (ppm))
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Effects of Open Burning Over industrialization and globalization‚ the economic growth has been evolving since a few decades ago. Majority of human now are exposed to the advance technologies and luxury of life. However‚ these scenarios do not indicate that life nowadays is much better than the olden days. Every year without fail‚ open burning occurs everywhere. Especially in Indonesia‚ the nomad people and people of the agriculture field will burn forest for their own benefit. After forest
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Croton’s Water Filtration Company has had many negative and positive impacts on the community and surrounding areas of the Bronx and Manhattan. This plant is one of the biggest constructions in New York’s City history. In 1993 there was a threat of contamination causing the plant to be shut down. The preparation for the plant started in 2004. This company had to abide by the state and federal regulations of drinking water. They had to think of the public health. They have been applying water to
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“Drought: Can Conservation Make a Difference” Living in a country with rapidly growing population‚ conservation is an increasingly pressing matter. This dilemma is more prevalent in times of drought. Individuals have to play a part to manage water and to keep from soil erosion. However‚ making a population do something is a difficult objective to achieve. I offer a solution in three ways: one‚ that a fine is imposed on citizens that go over a certain amount and two‚ we make appliances and
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1. WHAT FACTOR DO YOU OFTEN TAKE INTO CONSIDERATION WHEN MAKING DECISION TO CHOOSE A JOB YOURSELF? To me‚ there are 3 factors that I often take into consideration when making decision to choose a job for myself. Those are traditional of family‚ salary and location. -Firstly‚ traditional of family is the most important factor. My parents are teachers. When I was young‚ I always want to become a good teacher (like them). They’re made me feel admire and love this job. -The second thing I care
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Farming Farming Name: Date: Subject: School: Name: Date: Subject: School: Jahvor Mitchell What are the problems affecting peasant farmers in Whithorn‚ Westmoreland Jamaica and what is being done to resolve these problems. Jahvor Mitchell What are the problems affecting peasant farmers in Whithorn‚ Westmoreland Jamaica and what is being done to resolve these problems. INTRODUCTION INTRODUCTION This SBA was researched to provide Information to the readers about peasant
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The Grand Canyon has been a natural marvel for thousands of years. Many have wondered how this natural phenomenon occurred and when it started to become the wonder it is today. There are several theories on how this incredible rock structure was formed‚ the soundest theory relies on the environment that surrounds these rocks. The most powerful force on the Grand Canyon is erosion‚ primarily by water‚ according to The Seven Natural Wonders‚ a data base for the natural wonders of the world. The Colorado
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Abstract: Soil serves as one of the basic medium of life as a variety of elements‚ which are vital to life are embedded in it. However‚ the human activities are polluting the soil unintentionally. Consequently‚ a wide range of contaminants enter the soil. Nevertheless‚ heavy metals are the most toxic of all the pollutants. Among these‚ lead‚ cadmium‚ chromium‚ mercury and arsenic are most toxic and can cause multiple organ damages even when present in small amount. Although‚ these elements are necessary
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In Ch 4 of Silent Spring‚ Carson brings about the fact that the most essential natural resource in the world‚ water‚ is being contaminated. With every spray and use of the pesticides and human-made chemicals‚ persistent as they are‚ the resulting effects spread throughout ecosystems. Bioaccumulation occurs through the levels of the food chain(biological magnification)‚ microorganisms and fish are exposed to the chemicals that render the water polluted‚ fish are eaten by birds and other aquatic life
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