Environment and climate change (Medium) Quiz

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📝 IELTS – English Vocabulary – Environment and climate change – Medium

20 questions · 15 min timer · Explanations included · Free

Which phenomenon is primarily responsible for the depletion of the ozone layer?

Carbon monoxide

Sulfur dioxide

Greenhouse gases

Chlorofluorocarbons (CFCs)

None

Chlorofluorocarbons (CFCs) are primarily responsible for the depletion of the ozone layer. Greenhouse gases, carbon monoxide, and sulfur dioxide do not directly deplete the ozone layer.

What is the primary greenhouse gas emitted through human activities?

Ozone

Nitrous oxide

Methane

Carbon dioxide

None

Carbon dioxide is the primary greenhouse gas emitted through human activities, especially from burning fossil fuels. Methane and nitrous oxide are also greenhouse gases but are emitted in smaller quantities.

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