By approximately what year was Australia settled by Aborigines?
A) by 2500 BCE
B) by 1200 BCE
C) by 200 BCE
D) by 400 CE
E) by 1200 CE
A
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How many Category 5 hurricanes have made landfall in the U.S. between 1900 and 2005?
A) 2 B) 3 C) 5 D) 10
Which of the following does NOT represent one of the United States' 3 main eras of immigration?
A) involuntary migration from Sub-Saharan Africa in the seventeenth and eighteenth centuries B) voluntary migration from the British Isles due to religious persecution in the seventeenth and eighteenth centuries C) Ellis Island became a major immigration processing center in the late nineteenth and twentieth centuries. D) Early twentieth century immigrants from southern and eastern Europe coincided with the diffusion of the Industrial Revolution through continental Europe. E) The leading sources of twenty-first century Asian immigration are the result of climate change in places such as Bangladesh, Oceania, or the Maldives.
The single most important agent for the chemical weathering is temperature.
Answer the following statement true (T) or false (F)
The term "orographic" refers to
A) air mass modification and the formation of secondary air masses. B) convection stimulated principally by local heating. C) lifting along the edges of conflicting air masses. D) forced uplift due to the presence of a physical barrier. E) vertical lifting due to converging air masses.