Which boundary is generally considered the coldest part of the atmosphere?
Answer and explanation
Correct answer: Mesopause
The mesopause is the boundary between the mesosphere and thermosphere, and it is generally regarded as the coldest region of Earth’s atmosphere. Temperatures there can become extremely low because the mesosphere cools with increasing altitude. The tropopause and stratopause are boundaries at higher temperatures, while “thermopause” is not the standard answer for the coldest atmospheric boundary. Therefore, option A is correct.
Frequently asked questions
What is the correct answer to this question?
Mesopause
Why is this the correct answer?
The mesopause is the boundary between the mesosphere and thermosphere, and it is generally regarded as the coldest region of Earth’s atmosphere. Temperatures there can become extremely low because the mesosphere cools with increasing altitude. The tropopause and stratopause are boundaries at higher temperatures, while “thermopause” is not the standard answer for the coldest atmospheric boundary. Therefore, option A is correct.
Which subject and chapter does this question cover?
This is a Class 11 Accountancy question. Chapter: Introduction to Accounting.
