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प्रश्न
Sewage is a liquid waste from ______.
उत्तर
Sewage is a liquid waste from domestic activities.
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संबंधित प्रश्न
Study the picture given below and answer the following questions :
What is a ‘Pollutant’ ? Explain the term.
A lot of fish are dying near a sea shore. Describe any two possible causes.
Answer the following question:
Name two human diseases caused due to water pollution.
List the cause of water pollution.
71% of earth surface is covered with:
Name two heavy metals from industries that pollute water.
What are the pollutions caused by the objects given below?
- Loud Speaker
- Plastic
Write notes on the following:
Algal Bloom
Microplastics can be found in almost every freshwater source.
Phosphate containing fertilisers cause water pollution. Addition of such compounds in water bodies causes:
(i) enhanced growth of algae.
(ii) decrease in amount of dissolved oxygen in water.
(iii) deposition of calcium phosphate.
(iv) increase in fish population.
