On your way stepping stones 1 h/v chapter 7

Crossword

Complete the crossword, then click on "Check" to check your answer. Click on a number in the grid to see the clue or clues for that number.
1   2       3                
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5      6                  
         7             
              8    9      
 10                     
           11           
12                      
           13           
14          15              
                    
    16            17        
           18           
     19                 
                    
    20                  
             21