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प्रश्न
The pH range most conducive for life of fresh water plants and animals is
पर्याय
6.5 – 7.5
2.0 – 3.5
3.5 – 5.0
9.0 – 10.5
उत्तर
6.5 – 7.5
Explanation -
The life of fresh water plants and animals is most suitable in neutral water i.e. in the pH range 6.5 – 7.5.
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