The first hint to crack the puzzle "78% of Earth's atmosphere is made of this gas" is:
It is a word which contains 8 letters
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The second hint to crack the puzzle "78% of Earth's atmosphere is made of this gas" is:
It starts with letter n
n
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The third hint to crack the puzzle "78% of Earth's atmosphere is made of this gas" is:
It ends with letter n
n
n
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Looking for extra hints for the puzzle "78% of Earth's atmosphere is made of this gas"
n
n
Click on any empty tile to reveal a letter
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The answer for the puzzle "78% of Earth's atmosphere is made of this gas" is:
n
i
t
r
o
g
e
n
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