Answer:
tell the teacher you'll give her some nice hotdog for an A+
 
        
             
        
        
        
Answer:
  Some viruses are hard to treat because  sometimes it’s not the virus that makes us sick; it’s our immune system.
Explanation:
 
        
             
        
        
        
Rickets is the disease in children in which an inefficient mineralization of the bone forming tissue causes deformities. This condition results in weak or soft bones in children, normally due to an extreme and prolonged deficiency of vitamin D. Vitamin D promotes the absorption of calcium and phosphorus from the gastrointestinal tract. The symptoms include bowed legs, stunted growth, bone pain, large forehead, and trouble sleeping among others. 
        
             
        
        
        
Answer:
B
Explanation:
Selective Breeding is the process by which organisms choose their mate based off of specific traits.