Answer
The major components of clean, dry air are as follows:
Nitrogen (N2): Approximately 78% of the atmosphere consists of nitrogen, making it the most abundant component.
Oxygen (O2): Oxygen makes up around 21% of the atmosphere and is essential for respiration and combustion processes.
Argon (Ar): Argon is a trace gas, accounting for about 0.93% of the atmosphere.
Carbon Dioxide (CO2): Carbon dioxide is present in very small amounts, around 0.04%, but plays a vital role in the greenhouse effect and the Earth's climate.
Work Step by Step
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