The answer to this question is: Valid
For example, let's say that a researcher wants to study the psychology of motivation as a variable.
In this case, motivation does not possess a measurable standard that could be used as data, so the researcher could only predict thte amount of motivation through the amount of job done (but this data is reliable because motivation is only on of the many factors that may influenced it)
        
             
        
        
        
Answer: (D) Data inconsistency
Explanation:
  In the database management system (DBMS), the files are get minimized  then the data inconsistency are reduced in the DBMS. 
 The database management system basically enable the organization for managing the data or information  and the security system.
 The data inconsistency is one of the condition is in which the files and the same type of data are kept in the different types of files along with the different format.  
 Therefore, Option (D) is correct. 
 
        
             
        
        
        
Answer: To look fo job in the rural area.
Because of maquiladora jobs opportunities, since squatter settlement is close to US border.
To find good structurally built homes
Explanation: 
Squatter is the safest place to live within Mexico city metropolitan area for the poor people who do not own land. it is designed to manage population growth
 
        
             
        
        
        
<span>Florida's economy has changed over time three times so far, in that it has gone from being a centre of agriculture, to being mainly focused on infrastructure acitivities, to now having a lot of the economy based upon the income received from tourist attractions such as DisneyWorld.</span>