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