Answer:
on Hudson Bay and extending for 8 million square km (3 million square miles) over eastern, central, and northwestern Canada from the Great Lakes to the Canadian Arctic and into Greenland, with small extensions into northern Minnesota, Wisconsin, Michigan, and New York, U.S.
<span>because a thick mass of ice that originates on land from the accumulation, compaction, and recrystallization of excess snowfall
(land base features)
(highly viscous fluid)
(Glaciers develop and advance over significant time periods more winter snow falls on land that melts in summer)</span>
Explanation:
The greenhouse effect is the trapping of the sun's heat in the atmosphere of a planet by gases in that atmosphere. The green house effect happens because of so-called greenhouse gases, which includes carbon dioxide, methane, water vapor & other.