Question

What are effects of human activities in nature top 20?

Answer 1

•Decrease in ozone
•Pollution in environment
•

Answer 2

hello dear.....................

Effects of human activities on nature 
1. Human over population
2. mining or digging earth
3. pesticides sprayed on crops
4. making roads for transporst
5. getting petrol from earth
6. wars done by countries
7. nuclear power
8. coal mining and burning
9. Overconsumption
10.plastics [non decomposing ]

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hope this would help you
@Rohit