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