Why does the effect of permanent gases change with altitude despite their generally stable proportion?
Answer and explanation
Correct answer: Because air density and pressure decrease with altitude
The governing concept is the difference between mixing ratio and ambient pressure. Permanent gases may retain nearly stable proportions in well-mixed air, but total air density and atmospheric pressure fall with altitude. Consequently, the number of gas molecules available in a given volume and the partial pressure of each gas decrease. Earth’s rotation does not stop, gases do not move into the sea, and nitrogen does not become rock.
Frequently asked questions
What is the correct answer to this question?
Because air density and pressure decrease with altitude
Why is this the correct answer?
The governing concept is the difference between mixing ratio and ambient pressure. Permanent gases may retain nearly stable proportions in well-mixed air, but total air density and atmospheric pressure fall with altitude. Consequently, the number of gas molecules available in a given volume and the partial pressure of each gas decrease. Earth’s rotation does not stop, gases do not move into the sea, and nitrogen does not become rock.
Which subject and chapter does this question cover?
This is a Class 11 Accountancy question. Chapter: Theory Base of Accounting.
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