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