What is the current life expectancy across Sub-Saharan Africa?
A. 60
B. 50
C. 30
D. 25
Ans: A. 60
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What are the three types of plate boundaries?
A)mid-ocean ridge, trench, and divergent B)mid-ocean ridge, divergent, and convergent C)divergent, convergent, and transform D)convergent, transform, and trench E)mid-ocean ridge, convergent, and trench
The dry leeward side of a mountain is often termed a (n)
A) front. B) orogeny. C) chinook. D) rain shadow.
All of the following statements about invasive species is true except
a. Approximately 40% of species listed as endangered in the United States are on the list because of threats from invasive species. b. Most successful invader species are specialists. c. Both the European wild boar and the Burmese python are problematic invasive species in the state of Florida. d. Some invasive species have arrived in the ballast water in ships from distant ports. e. The African honeybee (killer bee) was deliberately introduced.
What is the correct ordering of the industrial activity as explained by Kondratiev longwaves of economic activity?
A) (1)Textiles; (2)Railroads & iron; (3)Automobiles, electricity & chemicals; (4)Petrochemicals and aerospace; and (5)Information B) (1)Railroads & iron; (2)Textiles; (3)Automobiles, electricity & chemicals; (4)Petrochemicals and aerospace; and (5)Information C) (1)Railroads & iron; (2)Textiles; (3)Petrochemicals and aerospace; (4)Automobiles, electricity & chemicals; and (5)Information D) (1)Textiles; (2)Railroads & iron; (3)Petrochemicals and aerospace; (4)Automobiles, electricity & chemicals; and (5)Information E) (1)Textiles; (2)Automobiles, electricity & chemicals; (3)Railroads & iron; (4)Petrochemicals and aerospace; and (5)Information