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Data Activity - Topic 6.4 - Ozone-depleting Substances (Answers)

Topic 6.4 looks at how human activity has impacted the world's ozone layer. This page provides answers to the activity considering data on the use of ozone-depleting substances and the impact of the Montreal Protocol. Digging deeper #1... 1. Given that the initial goal of the Montreal Protocol was to halve consumption of ozone-depleting substances by 1999, comment on whether the graph indicates that this goal was...

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