Answer:
The on-line research strategies that raises the most concerns regarding ethical principle of respecting the autonomy of research subjects and the corresponding federal regulations requiring informed consent are: C) and D).
Explanation:
C) A researcher observing an open support group whithout announcing her presence is an alteration of both respecting the autonomy of the research subjets and also doesn´t consider the regulations requiring informed consent.
The subjects should know they are being subjtect of a research, to see if they agree or not. The researcher by not annouincing her is not respecting their autonomy to decide.
D) If a researcher poses to be a survivor from cancer when not, to be able to get closer to people that are; she is violating both the respecto for autonomy on the research subjects and also she is braking the informed consent. 
 
        
             
        
        
        
<span>If Cindy is like most women, she will experience cramping after the termination of an unwanted pregnancy. Cramps are a normal thing to happen after an abortion, it is due to the process of an abortion. Majority of the women who have abortions experiences cramps.</span>
        
             
        
        
        
Luanne is showing a recursive thinking in which this is being activated in order to solve problems that are much smaller. It could also be a way of categorizing the problems or which a large problem is to be divided into small bits, making them much easier to handle. It could be shown above as Luanne tries to handle her situation in terms of her school works which is a smaller problem compared to the current big problem she is facing.
        
             
        
        
        
Most settlements in Egypt back then (and today), were located primarily along the Nile River and the Northern coast of Egypt. Some reasons for this are:
- Access to freshwater via the Nile Delta on the Northern coast, or the Nile River extending into Egypt
- Along important trade routes in the Mediterranean and along the Nile
- The Nile River added important infrastructure to the cities and towns along it by letting people ship materials and goods down the river