Answer:
Biasing - Biasing means being unfair to someone or something, and liking the other one or helping them.
Doping - Doping is where a person use drug to get better at sporting and get stronger muscles, such as getting stronger, getting faster and so on. It is mostly used by athletics.
 
        
                    
             
        
        
        
Answer:
v = 29.4m/s
Explanation:
Since the ball is dropped at rest, 
u = 0m/s
a = 9.81m/s²
Using 
v = u + at
After 3 seconds, 
v = 0 + (9.81)(3)
v = 29.4m/s
 
        
             
        
        
        
When gases, fluids, or other solids are in contact with a moving object
heat is produced due to friction.
        
                    
             
        
        
        
Answer 
Thanks 
Explanation