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