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