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