Living Things Change Their Environments Crossword
           
           
           
           
           
           
           
           
           
 
 
Down: 1) Something that helps a living thing survive2) What happens when harmful materials get into water, air, or land 3) To use less of something Across: 4) To turn old things into new things 5) To use something again6) The struggle among living things for resources
 

 

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