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Earth science Practice Tests

Earth Science Online Tests

Ozone Hole MCQ (Multiple Choice Questions) PDF Download

The Ozone hole Multiple Choice Questions (MCQ Quiz) with Answers PDF (Ozone Hole MCQ PDF e-Book) download to practice Earth Science Tests. Study Atmosphere Composition Multiple Choice Questions and Answers (MCQs), Ozone Hole quiz answers PDF to study high school online 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 elementary school classes.

The MCQ: A CFC molecule has power to remain active in stratosphere up to; "Ozone Hole" App Download (Free) with answers: 120 years; 60 years; 45 years; 210 years; to study high school online courses. Solve Atmosphere Composition Quiz Questions, download Apple eBook (Free Sample) for distance learning.

Ozone Hole MCQ (PDF) Questions Answers 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 Download Android & iOS

The App: Ozone Hole MCQs App to learn Ozone Hole Textbook, Earth Science MCQ App, and 7th Grade Science MCQ App. The "Ozone Hole" 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 Hole App (Android & iOS)

Ozone Hole App (Android & iOS)

Earth Science App (Android & iOS)

Earth Science App (iOS & Android)

7th Grade Science App (Android & iOS)

7th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

6th Grade Science App (iOS & Android)