Rapidly growing countries have an age structure that
a. forms an inverted pyramid
b. has a broad-based pyramid
c. shows little variation in population by age
d. has a narrow pyramid
e. has a relatively large postreproductive population
B
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A shale metamorphosed to medium metamorphic grade would become a(n)
A) slate. B) gneiss. C) amphibolite. D) schist.
Laterite soils are typical of rainforests. Indicate whether the statement is true or false
Given three solutions, each of which contains 1.0 g of solute dissolved in 100 mL of water, which of the following solutes will cause the solution to have the lowest freezing point?
A) ribose, C5H10O5 B) glucose, C6H12O6 C) sucrose, C12H22O11 D) All have the same freezing point.
What is the MOST important shortcoming of trade theories?
A) They generally ignore scale economies and transportation costs. B) They assume homogeneous products and perfect competition. C) They fail to incorporate the role of firms, especially multi-national corporations. D) They ignore governmental intervention. E) all of the above