Answer:
The southern slopes of the Himalaya receive more rain due to the south west monsoon winds which travel west along the southern slops. The northern slopes do not receive any such rainfall. So the southern slopes are covered with thick vegetation as compared to the northern slopes.
Shifting cultivation is an agricultural system in which plot of land are cultivated temporarily, then abandoned while post-disturbance fallow vegetation is allowed to freely grow while the cultivator moves on to another plot.
There are four types of social norms that can help inform people about behavior that is considered acceptable: folkways, mores, taboos, and law. Further, social norms can vary across time, cultures, place, and even sub-group.
