Superman's Planet of Birth
This page is the CodyCross answer for the clue below from Forms of Communication, Group 2223, Puzzle 3 (Eye Contact).
Question
Superman's Planet of Birth
Answer
KRYPTON
Word Meaning:
KRYPTON — (uncountable) The chemical element (symbol Kr) with an atomic number of 36. It is a colourless, odourless noble gas that only reacts with fluorine. It is one of the rarest gases in the Earth's atmosphere.
Definitions from Wiktionary.