Energy resources Crossword
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
 
 
Down: 1) energy-rich substances from remains of organisms2) percent of energy that is used to perform a task and not lost to the environment3) will not replenish4) pollution from widespread sources7) measure of how the production of food or other resources on land can be repeated from yr. to yr.9) careful use of a resource10) resources that we use as a source of energy Across: 5) polluting the environment by removing the resources 6) can replenish8) matter that came from living things11) lack access to enough energy to meet basic needs.12) pollution from a single source
 

 

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