Subject :NSO     Class : Class 4 
                                                                            Subject :NSO     Class : Class 4 
                                                                            Refer to the given figure showing different layers of the Earth and select the option that correctly identifies W, X, Y and Z.
| W | X | Y | Z | |
|---|---|---|---|---|
| A | Crust | Mantle | Outer Core | Inner Core | 
| B | Mantle | Crust | Outer Core | Inner Core | 
| C | Crust | Outer Core | Inner Core | Mantle | 
| D | Inner Core | Outer Core | Mantle | Crust | 
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Subject :NSO     Class : Class 4 
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Subject :NSO     Class : Class 4 
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Subject :NSO     Class : Class 4 
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Subject :NSO     Class : Class 4 
                                                                            Refer to the images below.
| (i) | (ii) | (iv) | |
|---|---|---|---|
| A | Filtration | Separating funnel | Evaporation | 
| B | Sedimentation | Filtration | Decantation | 
| C | Handpicking | Winnowing | Distillation | 
| D | Sieving | Winnowing | Evaporation | 
isnt the answer B?
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Subject :NSO     Class : Class 4 
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Subject :NSO     Class : Class 4