Fossil fuels
Starter
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BURNING
CAPROCK
CHEMICAL
COAL
ENERGY
FOSSILS
FUEL
HEAT
HEAT
LIGHT
OIL
PETROL
REMAINS
SMOKE
| Q | B | E | Q | F | L | A | O | C |
| Y | U | N | T | O | U | R | H | A |
| W | R | E | A | S | L | E | T | P |
| L | N | R | E | S | M | M | H | R |
| E | I | G | H | I | M | A | G | O |
| U | N | Y | C | L | T | I | I | C |
| F | G | A | D | S | E | N | L | K |
| J | L | E | K | O | M | S | I | Y |
| N | I | A | P | E | T | R | O | L |
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