Which of the following pressure systems reside within the source region for maritime polar air masses?
A) Bermuda high and Pacific high
B) Bermuda high and Icelandic low
C) Aleutian low and Icelandic low
D) Aleutian low and Pacific high
C) Aleutian low and Icelandic low
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Describe at least two important ways that the ocean interacts with large-scale atmospheric wind systems.
What will be an ideal response?
Which of the following accurately compares CO2 levels during cold glacial periods and warm interglacial periods?
A. CO2 levels of cold glacial periods were about the same as warm interglacial periods. B. CO2 levels of cold glacial periods were more variable than warm interglacial periods. C. CO2 levels of cold glacial periods were higher than warm interglacial periods. D. CO2 levels of cold glacial periods were lower than warm interglacial periods.
When an alpine glacier flows through a valley, it makes the valley wider by
A) abrasion. B) plucking. C) deposition. D) dissolving.
Whose expedition was able to prove circumnavigation of the globe was possible?
A) Captain James Cook B) Matthew Murray C) Ferdinand Magellan D) Christopher Columbus