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Subject :NSO    Class : Class 3

The diagrams below show the samples of sticky tapes that were left with their sticky surfaces exposed to air at different locations X, Y and Z in a school.

From the amount of dust stuck on the sticky surfaces, select the area which has the maximum level of air pollution.

A X
B Y
C Z
D Cannot be determined


hard to EXPLAIN my

Ans 1:

Class : Class 3
At most dust is stuck on the sticky surface of tape 'Y', it indicates that this tape was exposed to air at a location having the maximum level of air pollution. This prooves that the correct answer is option 'b'.

Ans 2:

Class : Class 5
Thaneesha,its C Ashmi Narkar

Ans 3:

Class : Class 3

Ans 4:

Class : Class 7

Ans 5:

Class : Class 3

Ans 6:

Class : Class 5
Thaneesha,its C Ashmi Narkar

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