In the vertical structure of the atmosphere, the boundary layer that separates the troposphere from the stratosphere and experiences a constant low temperature is known as the:

💡 Solution & Explanation

The tropopause acts as the atmospheric transition layer situated between the underlying troposphere and the overlying stratosphere, characterized by a cessation of temperature decrease with altitude. Unlike upper layers where temperatures rise or fall significantly, the tropopause maintains a steady cold temperature profile. Atmospheric layering questions are standard inclusions in physical geography syllabi.