The formation of continental glaciers over vast areas of North America is most favorable when
Northern Hemisphere summers are __________ and winters are __________.
a. cool, extremely cold
b. cool, mild
c. warm, extremely cold
d. warm, mild
Question 2During a period when the earth's orbital tilt is at a minimum, which would probably not be true?
a. there should be less seasonal variation between summer and winter
b. more snow would probably fall during the winter in polar regions
c. there would be a lesser likelihood of glaciers at high latitudes
d. there would be less seasonal variations at middle latitudes
Cast of Isotelus rex, the largest known trilobite from the middle to upper Ordovician of North Ameri
Formation of Myelin
Hurricane Formation and Decay
North America
Mountain Glaciers
Rising sea level: Some areas will be affected by a rise of just 40 cm