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