(i) Razia saw excessive growth of blue -green algae in nearby pond of her village. (ii) Fish which w
Channel: Doubtnut
Date: 2020-01-26

(i) Razia saw excessive growth of blue -green algae in nearby pond of her village. (ii) Fish which was previously in pletny were no where to be seen. (iii)The pond is started go give a stink. Water of the pond changes its colour and is found to be not suitable for cattle. Some of the cattle who visited the pond for drinking and bathing have faled sick. (iv) What expianatient will Razia give for these anomalies to the paniced villagers.