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