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