Answer:
f=force m=mass and a=acceleration
 
        
             
        
        
        
Y, bc the height of the bounce back is higher than x
        
             
        
        
        
False its atmosphere, lithosphere, hydrosphere, and boisphere
        
                    
             
        
        
        
Answer: Objective Observations 
Explanation: The first step in the Scientific Method is to make objective observations. These observations are based on specific events that have already happened and can be verified by others as true or false