Answer:
Check your toilet for leaks. 
Stop using your toilet as an ashtray or wastebasket. 
Put a plastic bottle in your toilet tank. 
Take shorter showers. 
Install water-saving shower heads or flow restrictors. 
Take baths. 
Turn off the water while brushing your teeth. 
Turn off the water while shaving.
Hope These tips help!
 
        
             
        
        
        
Answer:
I would say that Historical Events, Manuals, and Biographies are typically in chronological order.