physical weathering is also referred to as mechanical weathering. it involves the mechanical breakdown or disintegration of exposed rock Institute 
temperature is an important fact of physical weathering. It occurs when rocks are broken down as a result of alternating expansion and contraction of rocks surfaces due to temperature changes .
 
        
             
        
        
        
You would definitely not expect political stability in a state that is being annexed or which does not have a territory - rather the opposite would be true. 
Both multinational and souvereign states can have a high lever of political security. However, in a multinational state one can also expect some conflicts between the different ethnic groups - therefore the best answer is "a sovereign state" 
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The answer is F.
An unsaturated zone is the portion of the subsurface above the ground water table where air as well as water are present in its pores. 
Therefore the statement is false as  the pores would not be totally filled with water.
Hope it helps!
 
        
                    
             
        
        
        
Answer:
America was reorganized around a system of highways that had their own language.
Explanation: At the same time, the interstates also made travel in and out of American cities easier which speeded  the growth of the suburbs.