Ozone Hole MCQs Quiz Worksheet PDF Download
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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
- UV rays
- oil spill
MCQ: A CFC molecule has power to remain active in stratosphere up to
- 120 years
- 60 years
- 45 years
- 210 years