Question

site o nome dos gases nobre existente na atmosfera?​

Answer 1

Resposta:  

The main chemical elements that make up the Earth's air are Nitrogen and Oxygen. The first occupies 78% of the atmosphere and the second, 21%. The remainder is occupied by Carbon Gas (1%) and Noble Gases (0.03%), comprised of elements such as argon, krypton, helium, neon, radon and xenon.