Gemstone :) Is a rare and attractive mineral that can be worn as jewelry
        
             
        
        
        
Answer:
yea it should be B
Explanation:
because the problems and or deformity in the blood cell prevents blood from carrying oxygen properly
 
        
                    
             
        
        
        
This is carbon monoxide. 
hope this helps!
        
             
        
        
        
Answer:
A
Explanation: 
I'm pretty sure it's A because fish = fish feces which = nutrients.