7 Crossword
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
 
 
Down: 1) Increase in water temperature from industrial output 3) The primary pollutant responsible for acid rain and “London-type” smog4) Compounds that evaporate and form ozone5) A pollutant formed after interacting with sunlight, water vapor, or other compounds6) Secondary pollutant from NOx and hydrocarbons8) Molecule of three oxygen atoms 10) Solid/liquid compounds inhaled in air 12) Vehicle device converting CO and NOx into CO₂ and N₂16) Device in coal plants using filters or water to remove particles Across: 2) A layer of heat trapped above earth’s surface caused by a buildup of ozone in the troposphere7) Nitric and sulfuric acids falling back to Earth9) Pollution with thermal inversion and ozone buildup 11) Fibrous mineral causing lung disease13) Fabric tube filter for dust and ash14) Non-specific health effects in tightly insulated buildings15) Metal pollutant once used in paint and gasoline17) Specialized pump that reduces escape of VOCs from gasoline18) Low-hanging pollution from sulfur dioxide19) Filter using charged plates to attract particles 20) Emission regulation system allowing trading21) Pollutant like CO, CO₂, NOx 22) Gas from uranium decay causing indoor pollution
 

 

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