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Ozone Layer Depletion Quiz App & e-Book PDF Download - 777

MCQ:

Most serious group of chemicals emitted in British Columbia that causes depletion of ozone layer are

  1. noble gases
  2. halons
  3. halogens
  4. helium

General Knowledge App & e-Book Tests PDF Download

Ozone Layer Depletion Learning App: Free Download (Android & iOS)

The App: Ozone Layer Depletion Quiz App to learn Ozone Layer Depletion Textbook, General Knowledge Quiz App, and Computer Networks Quiz App. The "Ozone Layer Depletion Quiz" App to free download iOS & Android Apps includes complete analytics with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!

Ozone Layer Depletion App (Android & iOS)

Ozone Layer Depletion App (Android & iOS)

General Knowledge App (Android & iOS)

General Knowledge App (iOS & Android)

Computer Networks App (Android & iOS)

Computer Networks App (Android & iOS)

Technical Writing App (Android & iOS)

Technical Writing App (iOS & Android)