What is the source of high carbon dioxide levels at middle depths in the ocean?
a. mineral formation
b. plant photosynthesis
c. atmospheric deposition
d. decay of the remains of organisms
e. venting and outgassing
d
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The very first region of independent urbanism was in
A) the Middle East. B) the Baltics. C) the Andes. D) the Pearl River Delta. E) Europe's industrial core
The capital, which is also the transportation and economic center of the province, of Manitoba is what?
A) Calgary B) Regina C) Winnipeg D) Saskatoon
As part of an effort for promoting the settlement of the Far North, during the Great Depression of the 1930s, the U.S. government paid ________
A) The relocation expenses for hundreds of impoverished miners to explore the mountainous regions around Fairbanks for precious metals B) The relocation expenses for hundreds of impoverished fishermen from Oregon and Washington to settle on the coast of Alaska and resettle abandoned communities, around Kotzebue, once owned by Russia C) The relocation expenses for hundreds of impoverished lumberjacks, from Idaho and Montana, to settle the Alaskan and Canadian northern interior along the Yukon River as part of an economic improvement effort D) The relocation expenses for hundreds of impoverished farmers from Minnesota and the Dakotas to settle in the Matanuska Valley in Alaska
Deserts are often associated with the ITCZ
Indicate whether the statement is true or false