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AP Environmental Science 9.2 Reducing Ozone Depletion

Practise ozone-depletion questions by interpreting CFC and HCFC trends and explaining how the Montreal Protocol reduced ozone-harming chemicals.

Syllabus
Effective Fall 2025
Course
AP Environmental Science

Exam points

  • identify the governing concept or relationship in the problem
  • justify the result with equations, diagrams or contextual evidence

Covered syllabus points

STB-4.B—Describe chemicals used to substitute for chlorofluorocarbons (CFCs)

9.2 Reducing Ozone Depletion question 1

[Maximum number: 1]

The Montreal Protocol is a global agreement to phase out which of the following chemicals with the goal of reducing stratospheric ozone depletion?

A

Carbon dioxide

B

Organophosphates

C

Volatile organic compounds

D

Chlorofluorocarbons

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