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