Which of the following conditions defines the Ekman spiral?
A. the air flow into a centre of low pressure
B. the turning of water with depth
C. the circulation of surface water around a gyre
D. the air flow out of a region of high pressure
Answer: B
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The floor of a major ocean basin is called a(n) ________.
A. seamount province B. ridge depression C. ocean valley floor D. mid-ocean flat E. abyssal plain
Even in a low emissions scenario on climate change, water stress will increase by:
A) 38% B) 24% C) 56% D) 17% E) 5%
Nearly ________ percent of the population in the Middle East and North Africa now lives in urban areas
A) 40 B) 50 C) 60 D) 70
The International Date Line ________
A) is the same line as 180 degrees latitude B) is the "baseline" for all time measurements C) is drawn to avoid countries D) passes through the United States E) is an important line of latitude