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