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