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