Gas That Makes Up Most of Earth's Atmosphere
This page is the CodyCross answer for the clue below from World of Books, Group 291, Puzzle 4 (Sacred Texts).
Question is: Gas That Makes Up Most of Earth's Atmosphere
and the answer is: NITROGEN
Word Meaning:
NITROGEN — (uncountable) The chemical element with an atomic number of 7 and atomic weight of 14.0067. It is a colorless and odorless gas.
Definitions from Wiktionary.