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प्रश्न
A lot of fish are dying near a sea shore. Describe any two possible causes.
उत्तर
- Oil spills: Accidental oil spills in the sea can taint water and destroy marine life. Oil can cover fish's gills, making breathing harder and disturbing their usual behaviours.
- Industrial waste: Discharge of industrial contaminants into water can cause pollution and harm aquatic life, particularly fish. Chemicals and poisons from industrial operations can pollute water and harm fish health.
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संबंधित प्रश्न
An example of non-biodegradable waste is
A. Vegetable peels
B. Sewage
C. Livestock waste
D. DDT
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
What are natural reasons for water pollution?
What are the common sources of oil spills?
Answer the following question:
Name two human diseases caused due to water pollution.
Fill in the Blanks:
The release of hot water into rivers causes ______.
71% of earth surface is covered with:
Water in the sea is sweet.
We should save water.
A pond contains clean water. Which of the following activities will produce least pollution of water?
