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
Air Mostly Contains This Chemical Element
Answer
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.