MCQOPTIONS
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				| 1. | 
                                    The correct sequence of different layers of the atmosphere from the surface of the Earth upwards is: | 
                            
| A. | Troposphere, Stratosphere, Ionosphere, Mesosphere | 
| B. | Stratosphere, Troposphere, Ionosphere, Mesosphere | 
| C. | Troposphere, Stratosphere, Mesosphere, Ionosphere | 
| D. | Stratosphere, Troposphere, Mesosphere, Ionosphere | 
| Answer» D. Stratosphere, Troposphere, Mesosphere, Ionosphere | |