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प्रश्न
State the causes of ‘eutrophication’.
What is the reason of eutrophication?
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उत्तर
Eutrophication is caused by a sudden influx of phosphorus into water bodies. This is caused by agricultural runoff or industrial effluents with high phosphate content.
संबंधित प्रश्न
What is the major source of fresh water in the city/town/village where you live?
Define
Henry's law
Fill in the blank:
The sample of hard water which lathers with soap after boiling and filtration contains _____.
Give a reason for the following:
Efflorescence is minimum during humid conditions.
True or false? Correct the wrong statement.
We get rainwater throughout the year.
Pour water from the ice tray into a kettle. Ask an elder at your home to heat the kettle and observe the mouth of the kettle when the water starts boiling.
What do you see?
Name the process which is responsible for the formation of droplets on the surface of a glass of cold drink. _______
How is the life of organisms living in water affected when water gets polluted?
A man travelling on a train threw an empty packet of food on the platform. Do you think this is a proper waste disposal method? Elaborate.
Fill in the blanks in the following statements using words given in the box.
| air, handpumps, cholera, water, large, ground |
A very ______ number of our people defecate in the open. It may cause ______ pollution and soil pollution. Both the surface water and ______ water get polluted. ______ water is the source for wells, tubewells and ______. Thus it becomes the most common route for ______ borne diseases like ______, dysentery, etc.
