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