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