9. The Pleistocene Epoch, from 1.7 million years ago to 10 000 years ago, was marked by
A. a lack of oxygen
B. the presence of warm, tropical seas
C. the southern movement of the North American continent
D. the formation of glaciers that covered parts of the Northern Hemisphere and the Southern Hemisphere
10. Continental ice sheets are present today in
A. the Rocky Mountains
B. northern Europe
C. Antarctica and Greenland
D. Australia
11. The period during which polar ice sheets advanced to cover large regions of North America and northern Europe is known as
A. an ice age
B. glaciation
C. an epoch
D. a glacier
12. An analysis of ice-core samples shows that over the past 160 000 years, the average temperature in Vostok has
A. stayed the same
B. steadily increased
C. steadily decreased
D. fluctuated
13. Which of the following is not an advantage of using a spreadsheet?
A. Using a spreadsheet takes less time to create a graph than one drawn by hand.
B. The speed of creating a spreadsheet allows you to include many more data points in your analysis, which leads to more detailed results.
C. A spreadsheet produces more accurate graphs. This allows you to make subtle distinctions when interpreting the graph.
D. A spreadsheet removes you from the rigorous nature of calculating data points and doing the graph yourself.
1 answer
1 answer