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