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