Given below are few situations :
Q. Given below are few situations :
(i) Geeta of Class IX was having common cold. She sits with Sarika who also develops the diseases.
(ii) Animesh of Class IX shifted to a new residence with his family where water purification system has not been installed yet. He develops Cholera and Dysentery.
Ans. (i) Transmission By Air.
(ii) Transmission By Water.
Communicable diseases.
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