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ravi agarwal
from
sainik school , Bijapur
Subject :
NSO
Class :
Class 8
Which graph shows changes that occur in a river after being polluted by sewage?
A
B
C
D
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Ans 1:
(Master Answer)
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The correct answer is a.
Admin
from
revisewise, Noida
Class :
Class 1
The correct answer is a.
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