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