- Argon (Wikipedia)
Argon is a chemical element; it has symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble gas. Argon is the third most abundant gas in Earth’s atmosphere, at 0.934% (9340 ppmv). It is more than twice as abundant as water vapor (which averages about 4000 ppmv, but varies greatly), 23 times as abundant as carbon dioxide (400 ppmv), and more than 500 times as abundant as neon (18 ppmv). Argon is the most abundant noble gas in Earth’s crust, comprising 0.00015% of the crust.
- Mount Carmel (Wikipedia)
Mount Carmel (Hebrew: הַר הַכַּרְמֶל, romanized: Har haKarmel; Arabic: جبل الكرمل, romanized: Jabal al-Karmil), also known in Arabic as Mount Mar Elias (Arabic: جبل مار إلياس, romanized: Jabal Mār Ilyās, lit. ‘Mount Saint Elias/Elijah’; Hebrew: הַר הַקָּדוֹשׁ אֵלִיָּהוּ, romanized: Har haQadosh Eliyahu), is a coastal mountain range in northern Israel stretching from the Mediterranean Sea towards the southeast. The range is a UNESCO biosphere reserve. A number of towns are situated there, most notably Haifa, Israel’s third largest city, located on the northern and western slopes.