Ozone Hole MCQs Quiz Worksheet PDF Download

Learn ozone hole MCQs, earth science online test for elementary school exam prep for distance learning degree, free online courses. Practice atmosphere composition multiple choice questions (MCQs), ozone hole quiz questions and answers for earth science degree jobs preparation.

Study elementary school courses, online earth science degree programs MCQs: ozone has been depleted due to, for online courses with choices cfs, uv rays, oil spill, and deforestation with online trivia questions from science notes and science projects to prepare for final exams. Free Earth science student portal for online learning ozone hole quiz questions, MCQs to find questions answers based online learning tests.

MCQs on Ozone Hole Quiz PDF 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