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Greenhouse effect is an environmental problem which is caused by increasing amount of ________ in the atmosphere.

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Greenhouse effect is an environmental problem which is caused by increasing amount of ________ in the atmosphere. Answer: Carbon Dioxide

Question context

This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.