Unlocking the Mystery: Earth’s Most Abundant Noble Gas Revealed

The answer to the crossword question is “Argon“.
Argon is a chemical element and it is the third most abundant gas in the Earth’s atmosphere, after nitrogen and oxygen. It is a noble gas, which means it is a nonreactive element and is generally found in its elemental form. Argon makes up about 0.934% of the Earth’s atmosphere and is used in various industrial applications, such as welding and lighting. Its abundance and nonreactive nature also make it useful in scientific research, particularly in studying the properties and behaviors of gases and materials under extreme conditions. Therefore, the answer to the crossword question, “Most abundant noble gas in the Earth’s atmosphere is Argon” is correct.