Marine contamination and pollution are defined and the historic development of marine pollution concerns briefly described. The earliest problems were very localized. Technological developments have often been able to reduce the worst effects of localized pollution, but other technological developments have ...
Marine pollution involving international waters presents a particularly difficult problem. View chapter Reference work 2003,Encyclopedia of Physical Science and Technology (Third Edition) Chapter Water Pollution SOURCES OF WATER POLLUTION Water pollutantsare categorized aspoint sourceornonpoint source, the forme...
Firstly , air pollution, which has a bad effect on the environment, comes from factories, power stations and cars. Lots of factories take pollution to world . for example, In 1984 there was a serious accident at a factory in India and a cloud of dangerous gas covered the town...
Ground water is being polluted by percolation of contaminated surface water through the layers of the earth. Release of raw sewage in unlined soak-pits and release of toxic effluents by the industries into surface water bodies, are the main causes of ground water pollution Indiscriminate...
污染英文RedtidereasonsofformredtideWatereutrophicationMeteorologicalandhydrologicalandphysicalandchemicalpropertiesoftheseaDamagesofredtideDamageHarmtohuman'shealthDestructionofMarinefisheryresourcesandaquaticproductsHarmtohumanhealthWater_Pollution水污染英文ThegarbageinwaterWater_Pollution水污染英文BackWater_Pollution水污染...
Water pollution happens when waste things from many areas are thrown into rivers, lakes and seas.Agriculture To get more food, farmers use large amounts of chemicals(化学制品).When the chemicals are not completely used by the plants, they are washed away by the rainwater into rivers, lakes ...
It costs a lot of money to prevent water pollution.───防止水污染要花费很多钱. Today, there is air pollution, water pollution and land pollution.───今天, 有空气污染, 水质污染和土地污染. Environmental issues, such as air pollution and water pollution, directly affect people's lives.──...
Water-Pollution水污染英文幻灯片课件.pptx,Water PollutionMade by: The Sun Water Pollution introductionWater pollution is the contamination of water bodies (e.g. lakes, rivers, oceans, aquifers and groundwater). Water pollution occurs when pollutants are d
Ocean Water: Ocean pollution or marine pollution originates on land along the coast. Streams and rivers carry contaminants from various sources that reach the ocean. Marine debris particularly plastic is blown away by the wind or washed away in storms via drains and sewers. Point Source: When ...
Water pollution controlis a global concern given the need of conserving the ecosystem and the environment[22].Wastewater treatmentis practiced for pollution control whether in an industrial application or for a municipal purpose. Municipal wastewater is treated using chemical, physical, and biological me...