Cover of the textbook Solutions Pre-Intermediate - Workbook

The key answer of exercise 2

The key to exercise solutions in chapter 9F - Inventions that save lives for the textbook Solutions Pre-Intermediate - Workbook with authors Tim Falla and Paul A. Davies from Oxford University Press

Question

Read the texts and match two of the inventions with the photos (A-B).

Answer

  • LifeStraw - Photo B
  • AidPod - Photo A