Water pollution is the dumping of foreign materials in water. Water pollution has the following advantages: helps in disposing harmful materials off the land surface and is inexpensive. Disadvantages of water pollution include: waterborne diseases, death of aquatic life and hindrance to boating activities.
How do industries cause water pollution explain?
Explanation: Industries discharge chemical wastes comprising substances called effluents in rivers, lakes, streams etc. Factories sometimes turn waterways into open sewers by dumping oil, toxic chemicals and other harmful liquids called effluents into them.
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In other words, it is toxic water that cannot be drunk or used for essential purposes like agriculture, and which also causes diseases like diarrhoea, cholera, dysentery, typhoid and poliomyelitis that kill more than 500,000 people worldwide every year.
What are the types of water pollution?
Types of water pollution
- Surface water pollution. Surface water includes water that is found naturally on the earth’s surface.
- Groundwater pollution.
- Chemical pollution.
- Nutrients pollution.
- Oxygen depletion pollution.
- Microbiological pollution.
- Suspended matter.
- Effects on human beings.
What are the pros and cons of pollution?
When chemicals from factories are dumped in water rather than on land, it means crops from rain-fed agriculture will not be affected. Water pollution prevents health hazards. When materials are dumped in rivers, they become unavailable to human beings and hence cannot affect them, for instance, poisonous food materials.
What are the effects of pollution on the environment?
Effects of Pollution of Water Diseases: In humans, drinking or consuming polluted water in any way has many disastrous effects on our health. Destruction of Ecosystems: Ecosystems are extremely dynamic and respond to even small changes in the environment. Eutrophication: Chemicals in a water body, encourage the growth of algae.
What are the pros and cons of water privatization?
When the water industry goes to the private sector, then it can operate more freely since there aren’t as many political influences in the boardroom. If anything, private water companies can exert more influence on the government because of their role in society. 3. It can lead to infrastructure investments.
How to explain the benefits and costs of pollution?
Explain why pollution can be said to have benefits as well as costs and describe the nature of these benefits and costs. Using marginal benefit and marginal cost curves, apply the marginal decision rule to show and explain what is meant by the efficient level of emissions and abatement.
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