When natural disasters are involved, quick timing is key. A siren and a radio announcement would be the fastest way of informing the public of an approaching tornado. Of the rest of the options, a television crawl message would be faster than a newspaper article.
So the media that I would not use to inform the public would be 
C) A newspaper article.
 
        
             
        
        
        
To treat muscle cramps, it is important to relax the muscle. Stop any activity and stretch gently the muscles and to hydrate your body. Also, if muscle cramps is a regular occurrence then it is recommended to add more magnesium in the diet. <span />
        
             
        
        
        
Answer:
Osteons are cylindrical structures that contain a mineral matrix and living osteocytes connected by canaliculi, which transport blood. They are aligned parallel to the long axis of the bone. Each osteon consists of lamellae, which are layers of the compact matrix that surround a central canal called the Haversian canal.