Compare the two parts of Figure 4.20 and identify three major changes to the flow of rivers in the central United States during the Ice Age
What will be an ideal response?
a. The extent of the river system was much less during the Ice Age than now.
b. The subglacial rivers flowed out the St. Lawrence.
c. The upper and lower Missouri rivers were not connected during the Ice Age and each had separate drainage paths.
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Hydrogen may be a future energy source to power vehicles.
Answer the following statement true (T) or false (F)
Which of the following best matches the description?Process of replanting an area after the original trees are removed.
A. clear-cutting B. cover C. selective harvesting D. reforestation E. threatened species F. speciation G. patchwork clear-cutting H. mutation I. biodiversity J. species diversity K. endangered species L. extinction M. habitat management
Based on human-induced changes to the atmosphere, some have tentatively labeled Earth's next atmosphere the
A) modern atmosphere. B) anthropogenic atmosphere. C) ozonosphere. D) pollution sphere. E) living atmosphere.
Which systems are more likely to be associated with cloudy conditions and why?
A. High pressure systems because air rises there. B. High pressure systems because air descends there. C. Low pressure systems because air descends there. D. Low pressure systems because air rises there.