Because the higher you go from sea level, the colder it gets. That is why early aviators wore sheepskin coats, gloves and leather helmets to keep them warm in their open cockpits.
Current glaciers are still forming, but the most recent period of cooling and massive glaciation know as 'The Ice Age', occured in the Pleistocene, starting around 1.8 million years ago.
any period of time during which glaciers covered a large part of the earth's surface; "the most recent ice age was during the Pleistocene"
During the recent ice age, glaciers covered almost 30 percent of earths land.
Wisconsin
There have been various periods when most of the earth was covered in glaciers, they are called Ice Ages, and the most recent ended about 10,000 years ago.the ice age
Extensive areas of the northern hemisphere were covered by glaciers most recently in the Pleistocene Epoch, with periods of glaciation starting around 1.8 million years ago. The most recent period of glaciation ended around 10,000 years ago.
30%
as
In recent times, financial problems are rife.The recent storm caused a lot of damage.
someone farted
Quaternary.
The last period of the Cenozoic era is the Neogene period, which was preceded by the Paleogene period.