How is most of the world's water used? Define water footprint and virtual water and give two examples of each. What kinds of human activities could cause oil, acids, and detergents to contaminate the water supply? What is t...
As the waste collectors cart your recyclables away, you’re suddenly hit by some terrible questions: Where do those materials go once they're picked up? Will they will actually be recycled? How do you know they’re not just going to end up in a landfill? The movement to urge Americans...
Air pollutionCars, factories, and power plants (电厂) release harmful gases into the air.Water pollutionFactories, waste water, and plastic waste contaminate our rivers, lakes, and oceans.Soil pollutionChemicals from factories and pesticides from farming can harm the soil....
These things can make our planet sick and affect the life on it.Sources of Pollution:Air PollutionCars, factories, and power plants (电厂) release harmful gases into the air.Water PollutionFactories, waste water, and plastic waste contaminate our rivers, lakes, and oceans.Soil PollutionChemicals...
550K Pollution happens when trash, chemicals, or other substances contaminate the Earth's air, water, or land. Learn how to define pollution, explore facts on how it hurts people and animals, and discover how to stop it. Related to this QuestionWhat...
Denitrification, an ecological process that converts nitrates into nitrogen gas, prevents leaching of nitrate into the soil to contaminate groundwater. This prevents eutrophication, or overfertilization as a result of fertilizer runoff, which increases the nitrogen content of the water and causes overgro...
Watch complete video answer for “What are the different ways in which water gets contaminated ” of Biology Class 8th. Get FREE solutions to all questions from chapter WATER AND AIR POLLUTION.
Clean energy sources have lower maintenance and operating costs than plants using fossil fuels, and also have more stable prices for the consumergiven that they are not subject to global market volatility. Public health Not only do fossil fuels cause air pollution but they can also contaminate wa...
Did you know that residue of food additives and agrochemicals significantly contaminate our bodily fluids?Bottled water Bottled water is not necessarily healthier than tap water and yet it costs much more! Although associated with healthy water, bottled water is not guaranteed to be any healthier ...
Untreated sewage can contaminate water bodies, leading to pollution and health hazards for humans and wildlife. 8 Can sullage be reused without treatment? While sullage can be reused, it often requires basic treatment to remove particles and disinfect before it is safe for purposes like irrigation...