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1) What is water pollution? 2) What causes water pollution? 3) Name the 2 sources of pollution . 4) What are the different types of water pollution? 5) How can water pollution be prevented? 6) Pollution can be: MICROBIOLOGICAL, CHEMICAL, SUSPENDED MATTER, NUTRIENTS, OXYGEN-DEPLETING SUBSTANCES. Give one real example for each cse with a brief explanation. 1) 1- Water pollution is the contamination of water bodies, very often by human activities.
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You can prevent water pollution of nearby rivers and lakes as well as groundwater and drinking water by following some simple guidelines in your everyday life. •Conserve water by turning off the tap when running water is not necessary. This helps prevent water shortages and reduces the amount of contaminated water that needs treatment. •Be careful about what you throw down your sink or toilet. Don’t throw paints, oils or other forms of litter down the drain. •Try to use environmentally household products, such as washing powder, household cleaning agents and toiletries. •Take great care not to overuse pesticides and fertilisers. This will prevent runoffs of the material into nearby water sources. •By having more plants in your garden you are preventing fertiliser, pesticides and contaminated water from running off into nearby water sources.
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Aquatic plants are primary producers of oxygen. Plants produce oxygen as a by-product of photosynthesis. The rate of photosynthesis is dependent upon light. Because of the effect of sunlight on photosynthesis, the amount of oxygen in pond water fluctuates daily. Oxygen levels are usually highest at midday and lowest just before sunrise. Fish kills usually occur when more oxygen is consumed during the night hours than is produced during daylight hours. Warm water does not contain as much oxygen as cold water. Thus, during warm weather months, mismanagement of ponds by overstocking, overfeeding, overfertilization, pollution from barns and feedlots, or chemical treatment of aquatic weeds can result in oxygen depletion and fish kills.
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Atmospheric deposition is the pollution of water caused by air pollution.* Oils – Oil does not dissolve in water, instead it forms a thick layer on the water surface.This helps prevent water shortages and reduces the amount of contaminated water that needs treatment.Microbiological water pollution is usually a natural form of water pollution caused by microorganisms.* By having more plants in your garden you are preventing fertiliser, pesticides and contaminated water from running off into nearby water sources.
In point source pollution; there is direct introduction of pollutants into the water as opposed to nonpoint source pollution whereby pollutants are indirectly introduced into the water.Krantz and Kifferstein (n. d. ) provide that run-off fertilizer is a good example of nonpoint water pollution whereas oil spill is a good illustration of point water pollution.This is an important difference in sources of urban water pollution because water from rural regions of Bagmati has normal chemistry and coliform numbers (SEARO.It is clearly evident that water pollution in rural areas is point form pollution whereas pollution in urban areas is mainly nonpoint form.Runoff from urban areas has a higher potential off causing water pollution since there...
This water decreases the ability of the aquatic system to hold oxygen and raises the growth of warm water species.Waste water from manufacturing or chemical processes in industries contributes to water pollution.Included in the 3% source of potable water are the streams, spring, rivers, lakes, and waterfalls that are continuously being threatened and contaminated by the different factors that cause of water pollution.Like any type of pollution, water pollution results when an overwhelming amount of waste coming from different sources of pollutants can no longer be accommodated by the natural ecosystem.This results in the pollution of water whereby the quality of the water deteriorates, affecting aquatic ecosystems.
|Uploaded time:||April 22, 2022|
|Type of work:||essay|