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