 
          ancient
        
        
          (AYN-shunt)—from a time
        
        
          long ago
        
        
          dedicate
        
        
          (DED-i-keyt)—to commit to a
        
        
          goal or a way of life
        
        
          hoax
        
        
          (HOHKS)—something meant to
        
        
          trick or deceive someone
        
        
          murky
        
        
          (MUR-kee)—not clear
        
        
          peat
        
        
          (PEET)—a material that is the remains
        
        
          of plants partly decayed in water
        
        
          sonar
        
        
          (SOH-nar)—a device that uses
        
        
          sound waves to find objects underwater
        
        
          trench
        
        
          (TRENCH)—a deep, narrow hole
        
        
          in the ground
        
        
          
            GLOSSARY
          
        
        
          
            22