The mesopause, the temperature minimum that marks the top of the mesosphere, is the coldest place on Earth and has an average temperature around −100 °C (−148.0 °F; 173.1 K).  your welcome lols.....
        
                    
             
        
        
        
Answer:
Carbon dioxide from volcanic activity became a major part of the atmosphere.
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Answer:
D
Explanation:
all of the countries are devoloped
 
        
             
        
        
        
Cambodia, the Mekong and the Tonle Sap dominate the life and economy of Cambodia