Land use
Energy
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BIOFUEL
COAL
ISOTOPES
KEROGEN
MAGMA
MELTDOWN
MINERAL
NATURAL
REMOVAL
RESOURCE
RESOURCES
M | R | S | A | M | G | A | M | S |
L | E | E | L | A | K | H | E | N |
A | M | P | E | E | E | C | L | A |
R | O | O | U | U | R | O | T | T |
E | V | T | F | U | O | A | D | U |
N | A | O | O | G | G | L | O | R |
I | L | S | I | C | E | V | W | A |
M | E | I | B | Z | N | U | N | L |
R | E | S | O | U | R | C | E | H |
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