Answer: Nutrition
Explanation: Nutrients are the essential nourishments for growth and the maintenance of life.
It is quite possible to combine the same two elements to form two different compounds. An example would be carbon dioxide CO2 and carbon monoxide CO. Thus, two elements can form different types of bonds and end up with completely different compounds. Like, Hydrocarbons are compounds made of Hydrogen and Carbon only, and there are many different hydrocarbons. There is a limited number of elements, but a larger number of compounds because of the example demonstrated above.
Fracture refers to the break in a bone. Dislocation refers to the displacement of a bone from its usual position in a joint.
The closed treatment refers to the treatment of a fracture or dislocation when the site is not surgically opened and visualized. On the other hand, open treatment refers to the treatment of the site of fracture or dislocation where the site is surgically opened and visualized.