SCI T5 L4 Crossword
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
 
 
Down: 1) convert (waste) into reusable material2) maintain (something) in its original or existing state, save3) the practice of protecting the environment and using resources carefully Across: 4) substance rich in minerals that is returned back to the soil5) any substance, natural (like manure) or synthetic (like chemicals), added to soil or plant tissues to supply essential nutrients (especially Nitrogen, Phosphorus, Potassium) that boost plant growth, improve soil fertility, and increase crop production6) decayed organic material used as a plant fertilizer.
 

 

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