C would be the least powerful, as the speaker's uncle is not acclaimed on the subject of HIV at all. 
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Answer and Explanation:
What Robert Putnam meant to say by the statement was that the number of active meaningful societies, and the extent to which they are socially active, would go a long way in determining the health and well-being of the citizens: the number and level of activity of Italy’s choral societies (choir groups) have had a great impact on the wellbeing of many Italians—similar to getting health bills reimbursed, or using high-level social activities to enhance well-being.
 
        
             
        
        
        
Answer:
The answer is 
 
Explanation:
This is because, if it takes 2 hours to detect 2 defects, In 24 hours, the total defect to be detected is 24.
The probabilty of less than (Total) of 4 defect =
                      1 - probability of it been 4 (in an entire shift)
   probability of been 4 = 
 = 
Therefore,
probability of less than 4 = 
 = 
 
        
             
        
        
        
Answer:
D. people's acceptance of ruler's authority
Explanation:
In a democracy, the legitimacy of a ruler depends directly on the acceptance of the people who elected him or her. The ruler has the autonomy and authority to make decisions that represent the people, but he or she is only a representative, the legal power emanating from the people.
 
        
             
        
        
        
Answer:
biofeedback can facilitate control of autonomic nervous system functioning
Explanation:
biofeedback Refers to the way we can influence the condition of  our physical functions. Up to this point, researchers have conclude that we can achieve this through the use of brainwaves manipulation,  skin conductance,  Decreasing or increasing heart rate , muscle tone, and  Manipulating pain perception.
The example above shows an example of how the use of brainwaves manipulation (biofeedback) could influence the condition of the rats' heart beat rate (autonomic nervous system functioning). This indicates that there is a chance that humans will experience the same thing.