The Mediterranean regions were inhabited from early periods in history due to which of the following factors of population distribution?

Pleasant Climate

The correct answer is Option (2) → Pleasant Climate

"Climate: An extreme climate such as very hot or cold deserts are uncomfortable for human habitation. Areas with a comfortable climate, where there is not much seasonal variation attract more people. Areas with very heavy rainfall or extreme and harsh climates have low population. Mediterranean regions were inhabited from early periods in history due to their pleasant climate.".