Bacteria... Crossword
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
 
 
Down: 1) water falls to the Earth in various froms, snow, sleet, rain, or hail2) the process by which carbon moves through the Earth's system3) the process in which something changes from a gas state to a liquid state5) a gas found in the air that plants use to make food7) water vapor is released through the leaves11) carbon reenters the atmosphere from human activities Across: 4) a continuous process in which water moves6) water that run over the land to waterways, being neither absorbed by the Earth or evaporated8) the process in which something changes from a gas state to a liquid state9) change nitrogen into amonia, nitrates, and nitrites10) nitrogen gas in converted to a usuable form and return to the atmosphere as nitrogen12) the use of oxygen to break down carbon compunds and releases energy13) compounds that act as building blocks of living things14) plants use carbon-dioxide, water and energy from the sun to make food in the form of sugar
 

 

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