Answer:
This is because despite being the largest city in the country, New York City only has around 6% of the total U.S. population when its metropolitan area is taken into account. 
A primate city, on the contrary, is a city that has 20%, 30% or even 40% of the total population of the country, regardless of how much larger it is than the second city.
 
        
             
        
        
        
Ejemplos de fuerzas
En la naturaleza, las fuerzas fundamentales son la gravedad, la fuerza nuclear débil, la fuerza nuclear fuerte, la fuerza electromagnética y la fuerza residual. La fuerza fuerte es lo que mantiene unidos protones y neutrones en el núcleo atómico.
        
             
        
        
        
When they are all close, they are called clusters
        
             
        
        
        
The narmada river lies south of these
        
             
        
        
        
the correct answer is a breeze