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