32 A hydrophotes which helps in the removal of heavy metal pollution is
(a) Wolfia
(b)chlorella
(c)chara
(d)eichorina
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Explanation:
The results of this study showed that aquatic macrophytes can be used as substrates in anaerobic digestion plants without any restrictions. ... Therefore, this plant species can be used for the removal of heavy metals from waste water to protect water quality.
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a hydrophotes which help in the removal of heavy metals pollution is chlorella
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