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chitrab from CS, Kanpur
Subject :NSO    Class : Class 4

Refer to the given diagram and select correct examples of X, Y and Z resources of energy.
             X                Y                    Z
A Petroleum       Coal                Hydro energy
B Solar energy    Natural gas       Coal
C Tidal energy    Petroleum         Nuclear energy
D Coal               Nuclear energy    Petroleum


not understanding please clarify

Ans 1:

B Uppal from Zee School, Nalgonda
Class : Class 4
hi how are u

Ans 2:

Jaytra lohia from Lvis - noida, Ghaziabad
Class : Class 5
the answer is b

Ans 3:

Roy Ashmit Umeshchandra from LP SAVANI ACADEMY, SURAT
Class : Class 4
I am fine . bro!

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