It is defiantly not a, because only part of the park was burnt. It wouldn't be c, because fire does not cause seeds to fly in. I would say B
        
                    
             
        
        
        
Answer: black (graphite), transparent (diamond)
Explanation:
 
        
                    
             
        
        
        
D  lowering the activation energy of a reaction.
        
                    
             
        
        
        
Answer: Aircraft windows, medicines, and electronics
Explanation: