Exam Lesson Name: Introduction to Design Technology Exam number: 700796RR
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Question 15 of 20:
Select the best answer for the question
15. Which of the following is a result of the Montreal Protocol and its implementation?
A. The global carbon footprint increased.
B. Chlorofluorocarbons are now put only into aerosol cans.
C. Fewer aerosol cans are now produced.
D. Chlorofluorocarbons are now used as refrigerants.
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The correct answer is C. Fewer aerosol cans are now produced.

Explanation

The Montreal Protocol is a protocol created to promote the protection of the ozone layer by reducing the production and consumption of numerous substances that have been studied, and determined to be responsible for the depletion of ozone layer, mainly aerosols.

Aerosols contain chemical compounds known as Chlorofluorocarbons (CFCs) that have been the main causes of enlarging the hole in the ozone layer, this is because they absorb and scatter sunlight. Therefore, the correct answer is C. Fewer aerosol cans are now produced.

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