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