Why Did Virtually All Countries in the World Agree to Ban

question 46

Multiple Choice

Why did virtually all countries in the world agree to ban the use of CFCs by 2020 for developed countries and by 2030 for developing countries?

• A) to prevent acid rain
• B) to reduce global warming
• C) because there are cheaper coolants that work better
• D) because of overwhelming evidence that they destroy the ozone layer
• E) because of overwhelming evidence that they cause smog in cities

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