Question

7. Which of the following disease cannot caused by drink
ing of river water contaminated with untreated sew-
gas-
oxide
he oxy-
age ?
ht?
(A) Cholera
(B) Typhoid
(C) Tuberculosis (D) Diarrhoea
8. The excessive use of one of the following in agricul-
ture can cause the death of fish in a pond by oxygen
starvation. This one is
(A) Fertilisers (B) Manures
(C) Pesticides (D) Herbicides
utes in​

Answer 1

Answer:

C in 7 and I think D is wright option probably