Answer:
Immunity to Small Pox
Explanation:
Over the years, Europeans had built up an immunity to smallpox because many had contracted the disease and still survived. As the population grew children were born with some immunity to the disease. When the Europeans arrived in the Americas, and smallpox spread around the native peoples, the Europeans did not contract the disease because they were immune. However, since the natives were not immune, they slowly died of due just to the disease as well as some parts of the war between the europeans.
 
        
             
        
        
        
The purpose of the government performance and results act is to improve the confidence of Americans in the ability of the federal government to carry out agency missions reliably
        
                    
             
        
        
        
Answer:
Yes the cell will re-aggregate
Explanation:
Cells from tissue B are isolated and dissociated, then treated with the antibodies raised against cell type A membrane proteins. Will cells from tissue By aggregate.
Aggregation permits a cell-cell contact present in a tissue, this enhances the function and behavior if the cells. 
 
        
                    
             
        
        
        
The purpose of spindle fiber is to divide the chromosomes in a parental cell to make them into two daughter cells.