6
AssignmentMultiple Choice

Human Impact on the Environment

Question 6 • 2026 Summer 305 CR_2002070-M/J Comprehensive Science 2

What kinds of substances cause the destruction of ozone?

Answer
A
substances that contain carbon and oxygen
B
substances that contain chlorine and bromine
C
substances that contain nitrogen and phosphorus
D
substances that contain hydrogen and potassium

Explanation

Chlorine and bromine atoms can react with ozone and break it apart, and the atoms can repeat this process many times. Certain chemicals, such as CFCs, release chlorine in the atmosphere; other ozone-depleting substances release bromine. Therefore, the correct choice is substances that contain chlorine and bromine.

AI-written and checked against the verified answer.

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