Answer:
the process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully expounded by Charles Darwin and is now believed to be the main process that brings about evolution.
 
        
             
        
        
        
I also believe the answer is A.
        
             
        
        
        
It provides an objective, standardized approach to conducting experiments and, in doing so, improves their results. By using a standardized approach in their investigations, scientists can feel confident that they will stick to the facts and limit the influence of personal, preconceived notions.
 
        
             
        
        
        
<span>This was Bradley Center v. Wessner, decided in 1982. This case revolved around the murder of Wessner's mother by Wessner's father after he was granted a weekend pass to leave his voluntary-admission to the Bradley Center mental health hospital. The courts found that the hospital had a duty to take reasonable steps to limit the mobility of a person whom they were reasonably certain would do bodily harm to others, should he or she be allowed to leave the facility.</span>
        
             
        
        
        
Internal fertilization protects<span> the </span>fertilized egg<span> or embryo from predation and harsh environments</span>