Answer:
b until they can be easily answered
Explanation:
hope this helps
 
        
             
        
        
        
 Answer:
high beam point straight ahead 
-while low beans are angled down towards the road
Explanation:
☝️
 
        
                    
             
        
        
        
"it" is the subject. because it comes before the verb and there is no other subject after the verb.