The pH range most favourable for life of fresh water plants and animals is:
6.5 - 7.5
2.0 - 3.5
3.5 - 5.0
9.0 - 10.5
Neutral water has pH 7. So, pH of water which is fit for fresh water animals and plants should be in range of 6.5 - 7.5.
The pH range of fresh water suitable for consumption by animals is ___ .