First is 2
Second is 2
Third is 1
Fourth is 2
        
                    
             
        
        
        
Answer:
A prepositional phrase is a modifying phrase which includes a preposition (in this case, "over") and the object of the preposition (in this case, "the mantelpiece.")
 
        
                    
             
        
        
        
The speed and accleration of a car travelling in reverse and in the normal direction is the same. Therefore the measurement of its speed is still done using the metric system or via miles per hour (mph).