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
Premium Water pollution Pollution Water
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
Premium Water Drinking water Electricity generation
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
Premium Water supply Water Water resources
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
Premium Water Indus River Water resources
Conserving water can greatly limit the negative impact we have on the environment. By thinking conscientiously and creatively‚ we can make sure that everyone has enough water‚ while also minimizing the energy we use to bring it to our faucet or garden hose. Plus‚ using water wisely can lower many water bills. At Urban Times‚ it has been high on our agenda to bring more awareness to the increasing scarcity of water. This infographic‚ brought to us by Seametrics‚ illustrates that our water consumption is
Premium Water Water resources Water supply
“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
Premium Water Hydrology Groundwater
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
Premium Wi-Fi Wireless LAN Wireless access point
Kheng Horng Gan Edwin IS-240.009‚ Disc6 2/23/14 Questions 2 – Evaluate the advantages of the relational database model A relational database model has many advantages such as increase flexibility‚ increase information security‚ increase scalability and performance‚ increase information integrity (quality)‚ and reduce information redundancy. Firstly‚ most of the companies use database because it can handle changes easily and quickly. There are two views used to understand the flexible database
Premium Relational model Database SQL
needs water to survive. Water is our most important resource that is required to ensure our survival. This resource is something that we use every day in our lives and it serves many different purposes. We use water to take showers‚ to flush the toilet‚ cook dinner‚ to drink‚ and to clean. Water is not only used for our domestic needs‚ or wants but it is used in agriculture‚ industries‚ transportation‚ and as an alternative energy source (Lenntech‚ 2008). Life would be impossible without water. All
Premium Water Management Water supply
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
Premium Water