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