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