I believe the answer is C
        
             
        
        
        
Answer:
The plant is photosynthesizing and using up the CO2.
 
        
                    
             
        
        
        
From what i know, in sickle cell anemia the blood is lack of oxygen. 
The haemoglobin run from the blood cell because reacted with nitric oxide, and so thats why the shape of the blood change into sickle-shaped like.
 
        
                    
             
        
        
        
The relationship that exists between tides and time is that as night come tides expand and in the daytime tides contract
        
             
        
        
        
During middle age <span>an individual may experience initial decline of physical and mental attributes. This also increases during the last stage of life, old age.</span>