Assertion (A): CFCs were phased out under the Montreal Protocol.
Reason (R): CFCs break down ozone in the stratosphere.

Both A and R are true, and R is the correct explanation of A.Correct answerYour answerBoth A and R are true, but R is not the correct explanation of A.Correct answerYour answerA is true, but R is false.Correct answerYour answerA is false, but R is true.Correct answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer A

Correct answer: A

The Protocol targeted CFCs precisely because they destroy the ozone layer.
R explains A.

Concept: Ozone depletion
Typical timeTypical: 70 s
Your timeYours: —

The rule this testsGlobal warming and ozone depletion

Practise this chapter →

Ten questions from Environment & Sustainable Development, at your own pace.

Practise this chapter →

Ten questions from Environment & Sustainable Development, at your own pace.

Practise this chapter All 52 questions in Environment & Sustainable Development Revise the notes for Environment & Sustainable Development

Assertion (A): CFCs were phased out under the Montreal Protocol.Reason (R): CFCs break down ozone in the stratosphere.

Explanation

Assertion (A): CFCs were phased out under the Montreal Protocol.
Reason (R): CFCs break down ozone in the stratosphere.