Answer:
C
Explanation:
The element ate helium, neon,argon,krypton,xenon,radon and oganesson
Helium because it float a ballon it doesn't affected by gravity
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Answers & Comments
Answer:
C
Explanation:
The element ate helium, neon,argon,krypton,xenon,radon and oganesson
Answer:
C
Explanation:
Helium because it float a ballon it doesn't affected by gravity