Nitrogen cycle
Nitrogen cycle
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AMMONIA
AMMONIFICATION
ATMOSPHERE
DENITRIFICATION
LEGUMES
LIGHTNING
NITRATES
NITRIFICATION
NITRITES
PROTOPLASM
O | Z | B | O | R | C | S | E | T | I | R | T | I | N | D |
S | P | U | U | O | C | X | R | S | B | P | N | O | E | P |
N | O | I | T | A | C | I | F | I | R | T | I | N | E | B |
P | D | Y | R | E | B | G | A | O | T | T | I | I | K | J |
Y | H | X | E | V | V | X | T | C | A | T | N | T | L | P |
J | W | E | L | T | W | O | S | C | R | N | D | R | T | F |
J | H | B | Y | T | P | E | I | I | Q | D | B | A | Q | N |
A | C | I | N | L | M | F | F | H | T | X | E | T | Y | J |
I | K | N | A | U | I | I | C | N | J | F | P | E | Y | R |
N | Q | S | G | N | C | U | P | E | W | R | Q | S | N | Y |
O | M | E | O | A | T | M | O | S | P | H | E | R | E | H |
M | L | M | T | J | Y | W | Y | N | K | P | C | N | O | U |
M | M | I | G | J | A | G | P | Y | H | R | B | S | W | F |
A | O | X | O | V | L | W | U | B | X | C | R | A | T | L |
N | M | J | L | I | G | H | T | N | I | N | G | I | O | Z |
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