Nucleic acid<span> typically contain phosphorous, and nitrogen plays an important structural role in nucleic acids and proteins. The proteins, being made up a diverse set of amino acids, have, in addition to carbon, hydrogen, oxygen, and nitrogen, the elements sulfur and selenium.</span>
        
                    
             
        
        
        
Hello!
Carrying capacity, in biology, is the mps (maximum population size) of the species that the environment is able to take care of.  The environment should be able to give food, habitat, and water, and other necessities needed for the certain animal species. If there are to many of the species, the environment may not be able to care for all animals, due to the fact that there will not be enough resources for all of the animals.
Hope this helps, have an awesome day/night! :)
 
        
             
        
        
        
The correct answer is A. An infection that migrates via the bloodstream
Explanation:
Osteomyelitis is a serious condition, in which an infection develops in bones. This causes symptoms such as pain, inflammation, and can lead to the spread of the infection to other tissues or bone necrosis if it is not treated. In terms of causes, this condition develops when the bone is exposed to bacteria or similar that causes the infection, this can occur during surgeries or fractures. However, the most common source of infection is via bloodstream this means the bacteria or germ is in the blood and it enters the bone through the bloodstream. Also, once the bacteria or germ is in the bone it causes the infection.