Answer:
it's 60 
Explanation:
Im only gathering this information from the little information you have provided
 
        
                    
             
        
        
        
The best answer is Abrasion.
        
             
        
        
        
Answer:
0.37s to 2d.p
Explanation:
period T = no of oscillation/time taken
-  no of oscillation is 59
- time taken=2×60+40= 120s + 40s=160s
 T=59/160
 T=0.37 to 2d.p
 
        
             
        
        
        
Answer:
ok, ill try to explain it to my best ability.
Explanation:
a global city is an important city thats more "well known." global cities are urban centers that take the role as significant landmarks within a globalized economic system. global cities have a lot of power, and theycan heavily impact global issues overtime. a good example of this is london, and thats why london is considered a global city. more examples of global cities include beijing, rome, paris, new york, singapore and tokyo.
 
        
             
        
        
        
Answer:
Birth rate.
Explanation:
Countries such as Japan are dealing with a low Birth Rate, meaning the population is aging due to the lack of births to lower the average age.