Smoking two packs of cigarettes a day for twenty years reduces one's life span by EIGHT YEARS.
Cigarette smoking has serious consequences on the health of the smokers and it has been reported that for every cigarette a man smokes his life span is reduced by 11 minutes, thus, a cartoon of cigarette a day is equivalent to a day and a half [36 hours] loss in life span.
I believe the second answer is correct.
The polar climate zone includes the areas of Earth near the North and South poles. The northern polar zone includes parts of Canada , United Kingdom, and Russia . The southern polar zone includes Antartica .