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प्रश्न
Maximum contribution of 02 the environment comes from ______.
विकल्प
Ocean
forest
Grassland
None of these
MCQ
रिक्त स्थान भरें
उत्तर
Maximum contribution of 02 the environment comes from forest.
Explanation:
Because plants/trees produce oxygen as a byproduct of photosynthesis, forests play a vital part in oxygen recycling.
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