Quiz one Crossword
                 
                 
                 
                 
                 
                 
                 
                 
                 
                 
                 
                 
                 
 
 
Down: 1) A period of abnormally dry weather that persists long enough to produce serious water imbalances.2) The ability to provide for the needs of the world's current popoulatuion.4) An agriculural practice that involves providing water to crops. Across: 3) Farming5) Measueres designed to protect public health.6) Materials that humans take from the natural environment to survive.7) Internal affaris of a country
 

 

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