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