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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Effects of Water Pollution Image source: NASA Water covers 70% of the Earth’s surface and makes up over 60% of the human body. Water pollution affects marine ecosystems‚ wildlife health‚ and human well-being. The answer to solving pollution is to make changes in our daily habits and pay more attention to the types of products we consume. The following lists display causes of water pollution and the effects it has on human health and the natural environment. Causes of Water Pollution
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How can water generate Electricity? There are two primary methods for generating electricity from water. One method uses the energy potential of trapped water in dams in a more sophisticated version of the water wheel‚ and the other method of generating electricity is to capture energy from ocean waves. Electricity generated from water is entirely renewable‚ sinccete water is an abundant natural resource First method:When a dam is used to generate energy‚ tunnels are installed in the dam when
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ONE TWO MANY COMMUNICATION TOPIC : Wireless Fidelity What is wi fi ? Wi-Fi is the name of a popular wireless networking technology that uses radio waves to provide wireless high-speed internet and network connections. A common misconception is that the term Wi-Fi is short for "wireless fidelity‚" however this is not the case. Wi-Fi is simply a trademarked term meaning IEEE 802.11x. The wi fi alliance‚ the organization that owns the Wi-Fi (registered trademark) term specifically defines Wi-Fi
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problem in the United States. Present statistics estimate that approximately 3.5 million people‚ of which 1.35 million are children‚ are likely to be homeless in any given year. (How Many People Experience Homelessness?) Studies have also established that “…1% of the U.S. population experiences homelessness each year…” (How Many People Experience Homelessness?) Furthermore the figures also indicate that the incidence of homelessness is on the increase in America with homelessness rates tripling between
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Water supply and sanitation in Bangladesh is characterized by a number of achievements and challenges. The share of the population with access to an improved water source was estimated at 98% in 2004‚[1] a very high level for a low-income country. This has been achieved to a large extent through the construction of handpumps with the support of external donors. However‚ in 1993 it was discovered that groundwater‚ the source of drinking water for 97% of the rural population and a significant share
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Explain how human activity can affect water availability and quality. (10) Agriculture plays a significant role in the quality of water and three factors come into play when considering agricultural effects: pesticides‚ fertilizers and the waste produced by farm animals. When pesticides or fertilizers are applied to crops the excess materials will either run off the land‚ or seep into the groundwater‚ with an eventual ending in bodies of water such as lakes‚ ponds‚ or streams. The excess nutrients
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“GROUND WATER AND ARTIFICIAL RECHARGE IN GUJARAT” ABSTRACT Though groundwater is an important source of irrigation in India‚ its availability is non-uniform in space and time. In Saurashtra region of Gujarat state‚ problem of groundwater depletion has arisen due to high withdrawal than rate of replenishment of groundwater. This also resulted in seawater intrusion in coastal areas at very high rate. The water harvesting and groundwater recharge activities played an important role in increasing the
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ESSAY ON WATER & ENERGY CRISIS IN PAKISTAN 1. INTRODUCTION: “Water is precious‚ use it wisely” says a notice placed in the bathroom of a five star hotel in Karachi. There could not be a sounder piece of advice but it should be given not only to the guests of the five star hotels but also to the entire citizenry of Pakistan. Pakistan is rapidly moving to the situation when it will begin to be ranked among the countries that have severe shortages of fresh water. Wise use of this precious resource
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WATER Conservation INTRODUCTION: Water is essential for life on earth. Water is needed for growing food‚ keeping ourselves clean‚ generating power‚ controlling fire and most importantly to stay alive! This list is simply non-ending. This shows that water is an integral part of our daily life and we are heavily dependent on it. Water conservation: Refers to reducing the usage of water and recycling of waste water for different purposes such as cleaning‚ manufacturing‚ and agricultural irrigation
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