Answer:
develop a powerful message to spread about your enterprise
Explanation:
 
        
             
        
        
        
Answer:
The answers A, "When Leroy stopped, put out hus hand and grasped his diploma, the audience rose and delivered a standing ovation."
 
        
                    
             
        
        
        
The main idea of this paragraph is that the rocks cannot be explained by science, that there is a mystery to them. This sentence contributes to that idea because it gives a specific example of one of the odd things about the rocks. Because they are on a flat surface they should not roll or move on their own, but the fact that they have a trail behind them shows that they have somehow moved. This supporting statement is then supported by more details about the trails. 
        
                    
             
        
        
        
Explanation:
it brings humidity and torrential rainfall 
 
        
             
        
        
        
Please include the options in your question.