മോണ്ട്രിയൽ ഉടമ്പടി ഒപ്പുവച്ച വർഷം ഏത് ?
A1987
B1997
C1992
D1981
A1987
B1997
C1992
D1981
Related Questions:
Consider the following statements:
All layers of the atmosphere have well-defined boundaries.
The temperature trend in the atmosphere alternates with each successive layer.
Which of the above is/are correct?
Identify the correct statements:
The mesosphere ends at the mesopause, around 80 km altitude.
The temperature in the mesosphere increases with height.
The mesosphere is the coldest layer of the atmosphere.