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