Ask a New Question

Together, nitrogen (N2) and oxygen (O2) by volume account for _____% of the gases composing the dry air in the lower atmosphere (below an altitude of 80 km

1 answer

Nitrogen is around 78% and Oxygen is 21% so that make up a total of 99% of the air composition.
The 3rd most abundant gas in atmosphere is CO2.

Ask a New Question or answer this question.

Similar Questions

n a reaction where all gases are at the same temperature and pressure, ammonia reacts with oxygen to produce nitrogen monoxide
1. 1 answer
The atomic mass of a nitrogen atom (N) is 14.0 u, while that of an oxygen atom (O) is 16.0 u. Three diatomic gases have the same
1. 0 answers
the atmosphere is made up of 78% _____, 21% _______, 1% carbon dioxide, argon, water vapor, and other gases.argon nitrogen
1. 1 answer
Moon and Planets Quick Check4 of 44 of 4 Items Question Why is Venus the hottest solar system planet?(1 point) Responses It has
1. 1 answer

more similar questions