Land,water and air are polluted by human activities. Explain any three cause?

Dear student,            
Please find below the solution to the asked query         
                                                   
Human activities that destroy the air, water and land are as follows:

1. Sewage- This contains wastewater from our household and other domestic waste dumped into water bodies.

2. Industrial waste- This includes wastes discharged from factories, refineries into the water bodies. These wastes contains harmful chemicals such as alkalis, acids etc. and toxic metals like mercury, arsenic etc. Which kills the aquatic life.

3. Oil spills- Oils released from oil drums which are accidentally discharged from ships into the water bodies.

4. The burning of fossil fuels such as coal and petroleum

5. Industrialisation and Deforestation.     

Hope this information will clear your doubts about the topic.   
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