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