how many invetion did you make that helps the world in diffrent ways

Question: how many invetion did you make that helps the world in diffrent ways
- Keywords:
  impact,
  invention,
  world
Asked by push49run on 24 Nov 2020.
- Marcello Valente answered on 24 Nov 2020:
  
  Dear Push49run,
  i invented a chemical solution to digest plastic in compost to make useful as super cheap and natural soil enhancer

Question: how many invetion did you make that helps the world in diffrent ways