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