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