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