What are some ways that ice sheets modify the landscape?
What will be an ideal response?
Answer: Ice sheets scour bedrock and deposit till across hundreds of thousand of square kilometers. Rock, till and outwash are sculpted by glacier flow into streamlined ridges and furrows that are elongate parallel to the direction of ice-sheet movement.
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As environmental changes occur, conserving biodiversity is critical to our survival.
Answer the following statement true (T) or false (F)
Which of the following is used to describe the half of the Earth that lies north of the Equator?
Southern Hemisphere. Northern Hemisphere. Western Hemisphere. Eastern Hemisphere.
The principle of cross-cutting relationships which states that a geologic feature that cuts across another feature must be younger than the feature it cuts is important because ________
A) it showed that igneous rocks were younger than sedimentary rocks B) it provided a way to recognize if rocks had been deformed C) it provided a tool for sorting out the relative timing of various geologic events D) it allowed geologists to correlate rock units over large distances
During what decade of the twentieth century did Australia and New Zealand decide to dramatically reduce government intervention and regulation of the economy?
A) 1950s B) 1960s C) 1970s D) 1980s E) 1990s