Ozone Hole MCQs & Quiz Online PDF Book Download

Ozone hole MCQs, ozone hole quiz answers to learn elementary school earth science courses online. Atmosphere composition multiple choice questions (MCQs), ozone hole quiz questions and answers for online school degrees. Composition of atmosphere, energy in atmosphere, layers of atmosphere, ozone hole test prep for teacher certification.

Learn earth science MCQs: ozone has been depleted due to, with choices cfs, uv rays, oil spill, and deforestation for online school degrees. Free Earth science student portal for online learning ozone hole quiz questions, MCQs to find questions answers based online learning tests.

MCQ on Ozone Hole PDF Book Download

MCQ: Ozone has been depleted due to

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


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

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