Air Mostly Contains This Chemical Element
This page is the CodyCross answer for the clue below from Pet Shop, Group 346, Puzzle 4 (Upholstery Cleaner).
Question is: Air Mostly Contains This Chemical Element
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.