For dry atmosphere:
Gas
Volume
Nitrogen (N2)
780,840 ppmv (78.084%)
Oxygen (O2)
209,460 ppmv (20.946%)
Argon (Ar)
9,340 ppmv (0.9340%)
Carbon dioxide(CO2)
394.45 ppmv (0.039445%)
Neon (Ne)
18.18 ppmv (0.001818%)
Helium (He)
5.24 ppmv (0.000524%)
Methane (CH4)
1.79 ppmv (0.000179%)
Krypton (Kr)
1.14 ppmv (0.000114%)
Hydrogen (H2)
0.55 ppmv (0.000055%)
Nitrous oxide(N2O)
0.325 ppmv (0.0000325%)
Carbon monoxide(CO)
0.1 ppmv (0.00001%)
Xenon (Xe)
0.09 ppmv (9×10−6%) (0.000009%)
Ozone (O3)
0.0 to 0.07 ppmv (0 to 7×10−6%)
Nitrogen dioxide (NO2)
0.02 ppmv (2×10−6%) (0.000002%)
Iodine (I2)
0.01 ppmv (1×10−6%) (0.000001%)
Ammonia (NH3)
trace
Pepper, dust, and even cold air are compounds that can cause a person to sneeze. Any compound that irritates the lining of the nostrils can cause a sneeze.
compound
No. Air is a mixture.
C1I1O2 is a covalent compound.
It is a chemical compound.
Water is the compound. Iodine and calcium are elements, and air is a mixture.
Popcorn is a vegetable that has been cooked, either by heated air or heated oil of some kind. A compound is a combination of molecules with differing compositions and textures. (I don't remember the exact definition)
air
Metal (More specifically Ionic compound)
Cobalt nitrate is an ionic compound.
A compound angle.A compound angle.A compound angle.A compound angle.
the answer is compound .It spreds around the compound world