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