Most likely A or E.. not completely sure but A and E<span />
        
             
        
        
        
The two types of waste in the cellular respiration are aerobic respiration and anaerobic respiration.
        
             
        
        
        
D - understanding the different ways people live, their culture, will break down the wall of judgment and discrimination, therefore people lear to accept each other and get along
        
                    
             
        
        
        
B. The Threshold describes the minimum level of stimulus required to ctive a neuron. Hope that helps
        
                    
             
        
        
        
Answer:
 ANSWER E. a and c are the answer to this question