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