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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.
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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.
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
Define pollution. “Industries are pouring poison in water” - Explain
Study the picture given below and answer the following questions :
Water pollution
Which one of the following is a "dirty" practice contributing to pollution and seriously needs stoppage by educating public?
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.
Name the following
An agricultural pollutant in water
Water in the sea is sweet.
Excessive use of chemical fertilizers depletes the soil and causes water pollution.
What are the causes of water pollution? Discuss how you can contribute to reducing water pollution.
Explain about oil spills.
