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प्रश्न
Which natural cycle does the given picture depict?

विकल्प
Nitrogen cycle
Oxygen cycle
Water cycle
Heat cycle
MCQ
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उत्तर
Oxygen cycle
Explanation:
The given picture depicts the oxygen cycle. It shows how plants create oxygen through photosynthesis, which animals and humans breathe in, and how they exhale carbon dioxide that plants absorb, maintaining ecological balance.
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