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प्रश्न
List two major harmful effects of the following:
Rivers contaminated with sewage.
List one major harmful effect of the following:
Rivers contaminated with sewage.
उत्तर
- Harmfully affects the animals (even killing the fish).
- harms the plant life growing in it.
Notes
Students should refer to the answer according to their questions.
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संबंधित प्रश्न
Classify the given sources of water pollution as natural and manmade:
(1) domestic waste
(2) dead animals
(3) oil spills
(4) ashes released due to forest fires
State whether the following statement is true or false. If false, write the correct statement.
Chemical pollutants include a metallic salt solution of mercury and lead.
How could warm water act as a pollutant?
List the three major sources of water pollution
Fill in the Blanks:
The release of hot water into rivers causes ______.
With reference to the sources of water pollutants answer the following question:
How do the radioactive wastes get into the water bodies?
Excessive use of chemical fertilizers depletes the soil and causes water pollution.
What could be the harmful effects of improper management of industrial and domestic solid waste in a city?
Liquid kitchen waste alone constitutes the sewage.
Household detergents are safe and non-contributors to water pollution.
