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प्रश्न
List the three major sources of water pollution
उत्तर
- Human waste
- Industrial waste
- Chemical runoff
APPEARS IN
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 :
Name one pollutant that causes the above the pollution.
Thermal power plants give out a lot of ______ waste water.
List two major harmful effects of the following:
Rivers contaminated with sewage.
Agricultural water pollution and Shipping water pollution.
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.
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Mention the standards prescribed by BIS for quality of drinking water.
What are some solutions to toxic dumping in our oceans?
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(i) enhanced growth of algae.
(ii) decrease in amount of dissolved oxygen in water.
(iii) deposition of calcium phosphate.
(iv) increase in fish population.
