Answer: 
Trace elements are required by the human body in very minute quantity. Some of the examples of trace elements are iron and copper.
These elements acts as catalyst for the various types of reactions that takes place in the body. Iron is taken in body by diet that we eat. It is found in green vegetables and acts as an important constituent of the hemoglobin which helps in the transport of oxygen.
Copper is also taken inside the body by the food that we eat.It helps in iron absorption, prevent cardiovascular diseases, increases immunity.
Hence, trace elements is equally important as like that of major elements of the body.
 
        
             
        
        
        
Answer:
a diet or drink plenty of water I think
Explanation:
cause she need something to help her lose weight and do some to stop her food cravings so much
 
        
             
        
        
        
Answer:
All the options are actually correct, but the main minerals that would have likely caused May's osteoporosis would be Calcium, Phosphorus and Magnesium.
Explanation:
Hope this helped!
 
        
             
        
        
        
Portal of entry: there are three ways a pathogen can be transmitted, penetration, inhalation, or ingestion.