Which element comprises ofver three quarters of the earths atmoshphere?
oxygen
nitrogen
helium
argon
?? please
2006-10-29 02:36:37 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry
Nitrogen makes up about 78% of the Earth's atmosphere
Oxygen about 20%
2006-10-29 02:47:07 · answer #1 · answered by The Cheminator 5 · 0⤊ 0⤋
Nitrogen
2006-10-29 11:38:54 · answer #2 · answered by imsurroundedbyidiots 2 · 0⤊ 0⤋
3/4 means 75% of earths atm. is Nitrogen
2006-10-29 10:46:21 · answer #3 · answered by Anonymous · 0⤊ 0⤋
Oxygen is #1. Nitrogen is #2 (inert gas), and the other gases exist in smaller (trace) quantities.
2006-10-29 10:40:45 · answer #4 · answered by Anonymous · 0⤊ 1⤋
nitrogen (78%) then oxygen (21%) and finally inert gases(1%) including helium and argon
2006-10-29 10:49:40 · answer #5 · answered by bluefox1025 2 · 0⤊ 0⤋