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