Class 10 Online Courses

Earth science Practice Tests

Earth Science Online Tests

Ozone Hole Multiple Choice Questions (MCQ) PDF Download

The Book Ozone hole Multiple Choice Questions (MCQ Quiz) with Answers (Ozone Hole MCQ PDF Download) free to learn earth science online courses. Solve Atmosphere Composition Multiple Choice Questions and Answers (MCQs), Ozone Hole quiz answers PDF to study online school courses. The Ozone Hole MCQ App Download: Free learning app for human caused pollution sources, wind and air pressure, layers of atmosphere, composition of atmosphere test prep for online learning.

The MCQ: Ozone has been depleted due to; "Ozone Hole" App Download (Free) with answers cfs, uv rays, oil spill and deforestation to study online school courses. Solve atmosphere composition quiz questions, download Google eBook (Free Sample) for distance learning.

Ozone Hole MCQs: Questions and Answers PDF Download

MCQ 1: Ozone has been depleted due to

  1. CFS
  2. UV rays
  3. oil spill
  4. deforestation

MCQ 2: A CFC molecule has power to remain active in stratosphere up to

  1. 120 years
  2. 60 years
  3. 45 years
  4. 210 years

Earth Science Practice Tests

Ozone Hole Learning App & Free Study Apps

Download Ozone Hole MCQs App to learn Ozone Hole MCQs, Earth Science Learning App, and 8th Grade Science MCQ Apps. Free "Ozone Hole" App to download Android & iOS Apps includes complete analytics with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!

Ozone Hole App (Android & iOS)

Ozone Hole App (Android & iOS)

Earth Science App (Android & iOS)

Earth Science App (iOS & Android)

8th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

6th Grade Science App (iOS & Android)