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