Answer:
The CDC suggests retesting because of the "window period." This is the length of time between exposure to HIV and when HIV shows up on a test. This can take up to three months. So if your test result is negative, protect yourself and get retested after three months.
Explanation:
 
        
                    
             
        
        
        
Answer:
Self-perception
Explanation:
Self-perception theory statutes that when an individual is unsure about their feelings and motivations, they infer their feeling by looking their own behaviors.
I hope you find this information useful and interesting! Good luck!
 
        
             
        
        
        
Answer: Sunk Cost fallacy 
Explanation:
The sunk cost can be defined as the cost that has already been incurred and cannot be refunded back. It is in contrasted to the prospective costs which are the costs of future and that can be saved if any action is needed.
The economist argue that the sunk cost has nothing to do with the future rational decision making.
The example of such situation is fees which is once spent is generally not refunded.
 
        
             
        
        
        
Answer:Two car crash
Explanation:
Intentional:Because that when its intentional the driver tries to take the other persons money or self killing. It could be because then so many people can be paying attention to their phones, sleeping on the'r wheel or dash, might go on drugs and gets high. Highly dangerous.  
Unintentional: By the way that the car breaks down and the parts stop working and you try to stop the car/Truck ( or whatever vehicles) and they crash to another and end up getting injuries. They could also be trying to get their animal from climbing out the window, a child from getting up. They are probably having a diabetic seizures or medical attacks.