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