Which of the following is the coldest layer of the atmosphere? MCQ with Answer and Explanation

Explanation:
The Bay of Bengal is more prone to tropical cyclones than the Arabian Sea, with cyclones frequently forming during the pre-monsoon and post-monsoon seasons.

Explanation:
A positive AO phase is characterized by lower than normal pressure over the Arctic and higher than normal pressure over the mid-latitudes. This tends to confine cold air to the Arctic, leading to milder winters in the mid-latitudes.

Explanation:
The retreating monsoon (October-November) is characterized by clear skies, high humidity, and rising temperatures, leading to the 'October Heat' phenomenon.