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