I'm not quite sure what you mean by which sphere, but I found that the most abundant gas on earth is nitrogen at 78%. Hope this helps
        
                    
             
        
        
        
D, specifically because if the parents have/had this, it is likely the patient does
        
                    
             
        
        
        
<span>Kinesiology is the study of human or non-human body movement. The seven types of sciences it encompasses are physiology, anatomy, biomechanics, psychology, sociology, motor learning and sports pedagogy.</span>
        
             
        
        
        
Answer:
Rods
Explanation:
Rods are specialized photoreceptors that function best in low-light conditions. They are a major part of our vision in dimly lit environments, as well as our perception of movement in our peripheral vision.