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प्रश्न
Mention any two sources of water pollution.
उत्तर
Two sources of water pollution are :
- household detergents and sewage,
- oil spills
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संबंधित प्रश्न
Do you know of any activity which may be polluting this water source?
Study the picture given below and answer the following questions :
Water pollution
List two major harmful effects of the following:
Rivers contaminated with sewage.
What are the common sources of oil spills?
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.
Give a reason why :
Polluted water causes disease.
How could warm water act as a pollutant?
Fill in the Blanks:
The release of hot water into rivers causes ______.
Water is not necessary for our basic needs.
Give few steps to save water.
