What does the concept of the cold-point tropopause best explain?
Answer and explanation
Correct answer: The limit on water-vapour entry from the troposphere into the stratosphere
The governing concept is the cold trap at the tropical tropopause. Air rising from the troposphere is cooled strongly there; water vapour condenses or freezes and is largely removed before the air enters the stratosphere. This helps explain why the stratosphere is extremely dry and why only limited water vapour crosses upward. Option A states this relationship. The other choices place ordinary rain, marine clouds or surface dust in layers where those processes do not normally occur.
Frequently asked questions
What is the correct answer to this question?
The limit on water-vapour entry from the troposphere into the stratosphere
Why is this the correct answer?
The governing concept is the cold trap at the tropical tropopause. Air rising from the troposphere is cooled strongly there; water vapour condenses or freezes and is largely removed before the air enters the stratosphere. This helps explain why the stratosphere is extremely dry and why only limited water vapour crosses upward. Option A states this relationship. The other choices place ordinary rain, marine clouds or surface dust in layers where those processes do not normally occur.
Which subject and chapter does this question cover?
This is a Class 11 Accountancy question. Chapter: Theory Base of Accounting.
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