Answer:
Many human and physical factors affect population distribution and population density across the world. Physical factors that affect population density include water supply, climate, relief (shape of the land), vegetation, soils and availability of natural resources and energy.
 
 
        
             
        
        
        
Answer:
Hydrogen bonding is caused by the tendency of some atoms in molecules to attract electrons more than their accompanying atom. This gives the molecule a permanent dipole moment – it makes it polar – so it acts like a magnet and attracts the opposite end of other polar molecules.
 
        
             
        
        
        
Different soil, location can be a factor, the amount of sun, wild and domesticated can vary
        
             
        
        
        
It’s usually changes it into marble!!