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