Glaciers are capable of carrying huge blocks of material that no other erosional agent could possibly transport.
查看答案
Which of the following statements is true of valley glaciers?
A. They are found in mountainous regions.
B. There are thousands of such glaciers on Earth today.
C. They flow downhill.
D. All of the above are true.
E. None of the above are true.
An ice age is period of long-term reduction in the temperature of Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers.
Glaciation is the formation, movement, and recession of glaciers or ice sheets in a period of time.
A/an is an elongated hill in the shape of an inverted spoon or half-buried egg formed by glacial ice acting on underlying unconsolidated till or ground moraine.
A. esker
B. drumlin
C. kame
D. erratic