Diabetes, Antibodies are proteins that your body produces in response to harmful substances called antigens. An ELISA test may be used to diagnose: HIV, which causes AIDS. Lyme disease.
        
                    
             
        
        
        
Answer: d. double-blind
Explanation:
A double blind study can be define as the study in which both the researcher and participant do not know which participant is receiving a particular treatment. This method is useful as it prevents the bias in the results of the experiment. 
The given situation is the example of double-blind study. Here, the participants as well as the researcher do not know which group of subject are receiving bacteria in the yogurt and which group is not receiving.     
 
        
             
        
        
        
<span>The ability to reflect on practice is a piece of a learning
stage, and a huge amount of this will be done while doing our work.Example,as
human beings we all make mistakes at some spot, so it is important to reflect
on the mistake took place.</span>
        
             
        
        
        
Answer:
D, acting based on instinct
Explanation:
By acting based on instinct you are not giving enough time or thought towards your decision. You're acting too quickly to fully understand your decision making process or the decision itself.
 
        
             
        
        
        
First of all, what do you mean when u say 20 options. 
Also, here is your answer: 
Chronic disease<span>: A </span>disease<span> that persists for a long time. A </span>chronic disease<span> is one lasting 3 months or more, by the definition of the U.S. National Center for Health Statistics. </span>Chronic diseases<span> generally cannot be prevented by vaccines or cured by medication, nor do they just disappear.
So, it is B. </span><span>Lasts for a long time </span>