C is the answer to question 22
        
             
        
        
        
Environmental Geography mainly focuses on interaction between human and nature.
Explanation:
Environmental Geography is a tool that measures the impact of human lifestyle on nature. It mainly focuses on the interaction between nature and human . Geography can be divided into three part , they are physical, human and lastly the environmental geography.
Various features such as land forms, climate, vegetation, local water cycle cannot determine whether human beings can survive in certain area , it is the life style of the people that determine that whether they will be able to adapt with food and climate.
 
        
             
        
        
        
Answer: Formation of Iceberg
Explanation: A glacier is a very large mass of ice formed overtime by the compression of snowfall. Glacier are formed in very high altitudes and very cold parts of the Earth. 
 When a glaciar is exposed to ocean currents: it can break to form icebergs which are large mass of floating ice. This is breaking of glaciers is dependent on the temperature of the ocean tide flowing towards it. 
 
        
             
        
        
        
Answer+ <span>are concentrated along the central coasts of both nations.</span>