Science Crossword
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
 
 
Down: 1) fossil fuels, coal, oil, & natural gas2) hydrocarbons can be extracted from coal to make liquid & gaseous synthetic fuels3) generate electricity, produce gasoline& fuels, heat buildings5) most abundant fossil fuel, contains 50% plant remains Across: 4) formed from the remains of plants and other organisms that were buried and alter over millions of years6) 
 

 

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