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