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Subject :NSO    Class : Class 4

The given graph shows how the level of pollution changes in an area over a time period. Which of the following can be most likely concluded from the given graph?

ATrees were cut in large numbers in that area at point P.
BA new factory was set up in the area at point Q.
CThe interval R-S shows that people started recycling waste and switched to public transport instead of using their personal transports.
DNone of these

Ans 1:

Class : Class 5
ANSWER IS B !!!!!!!

Ans 2:

Class : Class 5
The answer cannot be B because the timeline Q-R is a decrease in pollution whereas if a factory was set up in point Q.Q-R would be an increase of pollution and not a decrease.In point P trees were cut and because of that P-Q is an increase in pollution and not a decrease .So,the answer is not B but A.

Ans 3:

Class : Class 5

Ans 4:

Class : Class 5
The correct answer is option A

Ans 5:

Class : Class 7

Ans 6: (Master Answer)

Class : Class 1
The correct answer is A.

Ans 7:

Class : Class 4
The answer is b

Ans 8:

Class : Class 5
I see

Ans 9:

Class : Class 5

Ans 10:

Class : Class 7
correct answer is b

Ans 11:

Class : Class 5

Ans 12:

Class : Class 4

Ans 13:

Class : Class 4
But why not D? If trees were cut down at point P, then why is the point at lowest pollution?

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