Answer: yes 
Explanation:
Not all the time, but temperature change can happen during a chemical reaction. 
 
        
                    
             
        
        
        
Mass is measured in kilograms.
        
             
        
        
        
<span>Africa was more south and west and South America was more south and east of their current positions. I would say this would be because because South America and Africa used to be together in Gondwanaland millions of years ago and then apparently drifted apart as Wegener thought and then with the advent of plate tectonics it became apparent that the mid-Atlantic ridge runs between them and due to spreading along it Africa and S America got separated.</span>
        
                    
             
        
        
        
You know that you can just google it right? It has this converter.