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