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