MCQOPTIONS
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				| 1. | 
                                    Which of the following statement is / are correct about Stratosphere | 
                            
| A. | This layer extends from an average altitude of 11 to 50 kilometers above the Earth's surface | 
| B. | This stratosphere contains about 19.9% of the total mass found in the atmosphere | 
| C. | Very little weather occurs in the stratosphere | 
| D. | All of the above | 
| Answer» E. | |