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