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.

Gas that makes up most of Earth's atmosphere — CodyCross Answer | CodyCross Solutions