In which of the following cases will the total fertility rate (TFR) be highest?
A) when women marry early, have children, then die in their late 20s
B) when women marry in their late 20s, then have several children
C) when women marry in their late 30s, and then have children
D) when women marry early and have one or two children
E) when women marry early and have many children over a long span of years
E) when women marry early and have many children over a long span of years
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Tsunami's are deep water waves
a. true b. false
The far north of North Korea is separated from China by the ________ River
A) Mississippi B) Tumen C) Baikal D) Ganges
Plants such as leafy spurge can double their population size every year in part because of their efficient production of large amounts of seeds. Populations that can double every year, such as leafy spurge, ________
A) exhibit exponential growth as they spread to new regions B) exhibit logistic growth C) will do so endlessly, eventually achieving a global distribution D) probably have more predators than other species
Which of the following would involve the greatest change in atmospheric pressure?
A) horizontal airplane flight of 200 miles B) balloon ascent from sea level to 3 miles C) difference between the highest and lowest recorded pressure at any one weather station D) travel from center of a low pressure system to center of a high pressure system