What is the most important type of internal migration?
A) cost-benefit migration
B) lowlands to highlands
C) refugee migration
D) rural-urban migration
E) split-market labor theory
D
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Which of the following amounts is the water vapour pressure that occurs when water vapour comprises 3.5 percent of an air parcel whose total pressure is 100 kPa?
A. 103.5 kPa B. 35 kPa C. 96.5 kPa D. 3.5 kPa
The age of the Sun is about
A) 7000 years. B) 5.5 million years. C) 5.5 billion years. D) 5.5 trillion years. E) more than 5.5 trillion years
The Lisbon earthquakes of 1755 are historically significant because ________.
A. the reconstruction efforts after the earthquakes stimulated the Portuguese economy, leading to a century of prosperity for the country B. they resulted in more deaths than any other earthquake, before or after C. they changed the prevailing philosophies of the era, producing a more pessimistic view of the world D. it was the first time anyone had ever successfully predicted an earthquake
If a solution is prepared by dissolving 7.7 g of lithium iodide, LiI, in enough water to make 400. mL of solution, what is the %(w/v) of LiI?
A) 0.96% B) 1.9% C) 3.9% D) 7.7%