The correct answer is d. Please give me brainlest I hope this helps let me know if it’s correct or not thanks I appreciate it
        
                    
             
        
        
        
Answer:
Hemoglobin transfers oxygen from the lung to the muscles, brain, and other organs, and also helps the body to convert carbohydrates and fat into energy.
 
        
                    
             
        
        
        
The contamination cleanup strategy called bioremediation—using naturally occurring or genetically modified microbes to clean up our messes—is gaining steam, as scientists devise new ways to use bugs against mercury, oil spills, radioactive waste and more.
        
                    
             
        
        
        
Answer:
(V-Vo)/t = (30-0)/4 = 7.5 m/s^2.