B. Transform boundaries are when the land rubs back and forth against each other causing earthquakes
        
                    
             
        
        
        
The answer is; Pepsin
Pepsin is first secreted by the chief cells of the stomach wall and the inactive precursor called pepsinogen. When pepsinogen interacts with the acidic environment of the stomach due to hydrochloric acid, it is turned to pepsin. The pepsin breaks down large protein molecules to smaller molecules. 
 
        
             
        
        
        
Algae is a primary producer like plants. I hope this helps
        
             
        
        
        
The answer would be E because boys inherit the Y chromosome from the dad which in this case would have the color blind trait. Girls don’t get the y from the father to get the color blind trait not be color blind because girls have 2 (X) chromosomes. Hope this helps