Water Pollution Introduction There are more things affect earth bad and make environment polluted like wastes‚ plastics‚ smokes and much more make earth and environment polluted and difficulty. Pollution is one of thing like this Pollution make environment difficult there are different types of pollutions like Air Pollution ‚ Land Pollution ‚ Noise Pollution ‚ Water Pollution ‚ Light Pollution and Soil Pollution these all have separate effects to human body and earth with environment . Definition
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WATER RESOURCES The sources of water that are useful to human life are called water resources. Uses of water include agricultural‚ industrial‚ household and recreational activities. The majority of human uses require fresh water. 97 percent of the water on the Earth is salt water and only 3 percent is fresh water; slightly over two thirds of this is frozen in glaciers and polar ice caps. The remaining unfrozen fresh water is found mainly as groundwater‚ with only a small fraction present above
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Bottled water production Local company: CLARO Student name: Keith Vervuurt Student ID #: 1053272 Student major: IBIS Instructor: Mr. M. Hawkins Date: 11/16/2011 Table of Contents Introduction 3 History of bottled water: 4 Story about bottled water: 4 FAQ about bottled water 6 What is bottled water? 6 What kinds of bottled water are there? 6 The type of information that is required on the labels of bottled water 6 Are there bacteria in bottled water? 7 Bottled water on international
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Locations in the world facing water shortage P139 Fresh water is distributed ________ across the world thus the amount of fresh water per capita available can vary ____________. Fresh water available is calcucated by ______________________________________________. Water security‚ water _______‚ water stress and water ___________ are terms used to describe different levels of water availability. There is water security when there is _________ and ________ fresh water for human consumption. Natural
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THE WATER CYCLE Introduction: The water around us has been All the water around is has been here for many‚ many years. The reason is because the same water is just around a cycle. There are several steps in this cycle. In my opinion‚ this is a very interesting and fun project to do. Problem: What is the water cycle? Research: Water is vital for every living thing. When the Sun heats‚ it causes the water in the oceans‚ ponds‚ lakes and even puddles in the street to warm and evaporate
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Title : Water Crisis Introduction : - water always been a natural resource - 80 countries now facing water shortage ‚ 2 billion people lack access to clean water. - global demand for fresh water will vastly outstrip reliable supply in many parts of world. - 97.5% of water is sea water ‚ left 2.5 % of “ fresh water “ but inside include glacier ‚ ice packs ‚ soil moisture ‚ atmosphere ‚ groundwater . Factors driving to this situations : 1. Demographic pressure population growth rate
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The causes of water pollution Water pollution comes from a myriad of sources‚ both natural and from human activity. The most destructive causes of water pollution are man made‚ however. The largest sources include: The burning of coal in power plants emits ash particulates that contain toxic metals like arsenic and lead. Coal and petroleum also contain sulfur compounds. Combustion generates sulfur dioxide‚ a toxic gas‚ and oxides of nitrogen. When emitted from exhaust stacks‚ these two compounds
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Introduction: Water is an essential living source for us humans and has a big impact on our everyday lives‚ thus people should be very concerned about what is actually in our tap water that we drink from everyday. The fluoride in the water can either occur naturally or by adding fluorine‚ by drinking a certain amount of fluoridated water each day can help to prevent tooth decay; the fluoridated water works on the surfaces of our teeth and causes the fluoride level in our saliva and hence reduces
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Water is composed of Oxygen and Hydrogen. It is found in wells‚ springs‚ ponds‚ rivers‚ canals and oceans. About one fourth of the earth is covered with water. It is obtained mainly from the rains. Water is really a precious gift of Nature. It has no taste‚ no smell‚ and no colour. The other name of water is life. We cannot live without water. We drink it‚ cook our food with it‚ bathe in it‚ and wash our body and things with it. The farmers need water for growing crops or plants. With water‚ the
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Drinking water or potable water is water safe enough to be consumed by humans or used with low risk of immediate or long term harm. In most developed countries‚ the water supplied to households‚ commerce and industry meets drinking water standards‚ even though only a very small proportion is actually consumed or used in food preparation. Typical uses (for other than potable purposes) include toilet flushing‚ washing and landscape irrigation. Chlorination is the process of adding the element chlorine to water as
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