Gas That Makes Up Around 74 Percent of the Sun
This page is the CodyCross answer for the clue below from Welcome to Japan, Group 568, Puzzle 5 (Takachiho Gorge).
Question
Gas That Makes Up Around 74 Percent of the Sun
Answer
HYDROGEN
Word Meaning:
HYDROGEN — (uncountable) The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.008.
Definitions from Wiktionary.