请帮忙翻译一下此段,跪求,感谢!As the Great Ice Age diminished, so did the glaciers over North America. The theory holds that a Land Bridge emerged linking Asia & North America across what is now known as the Bering Sea. People were said to have walked across the "bridge" before the sea...
About one million years ago,the Ice Age began.The Ice Age was a long period of time in which four great glaciers(冰川) pushed southward to cover almost all the upper half of North America,and then melted away.Each glacier was a thick sheet of ice and snow that spread out from a cente...
About one million years ago the Ice Age began.The Ice Age was a long period of time in which four great glaciers(冰川)pushed southward to cover almost all the upper half of North America and then melted away.Each glacier was a thick sheet of ice and snow that spread out from a center...
when streams flowed in tunnels beneath glacially formed sandy ridges.When the Ice Age ended around 12,000 years ago, the retreating glaciers created about 25 million depressions across a 300,000-square-mile landscape—about 83 potholes per square mile.As the ice blocks melted, much of the water...
little ice ageevaluationIn the past, ice-core records from mid-latitude glaciers in alpine areas of the continental United States were considered to be poor candidates for paleoclimate records because of the influence of meltwater on isotopic stratigraphy. To evaluate the existence of reliable ...
A.the Ice Age was a long period of timeB.great glaciers covered North America many years agoC.changes in climate helped to melt the glaciersD.how glaciers changed North American2.The author states that all glaciers ___.[ ]A.are
About one million years ago the Ice Age began.The Ice Age was a long period of time in which four great glaciers(冰川)pushed southward to cover almost all the upper half of North America and then mel
If North American’s mountains are calling your name, then it is time for you to take out your shoes and hit the road. Based on the opinions of travelers and hikers, here are the best hiking places across the continent. Glacier National Park Named for the glaciers from the ice age, Gla...
Glaciers from an ice age created the landscape along the byway. The mountains, lakes, and rivers were all affected by the presence of these great blankets of ice. The mountains were eroded and rounded, the lakes were filled to the brim, and the rivers ran away with the surplus water. Th...
Open seasonally, the Going-to-the-Sun Road in Montana’s Glacier Park is 50 miles of big mountains, plunging waterfalls and massive glaciers. For 33 miles of the drive, there isn't a single service station or restaurant to be found. However, travelers may meet a few mountain goats and ...