Why are TFRs higher in less-developed countries (LDCs) than in more-developed countries (MDCs)?
A. Higher infant mortality rate in LDCs
B. Higher infant mortality rate in MDCs
C. Larger numbers of children are needed to tend crops in MDCs
D. Children are not needed to gather wood in LDCs
Answer: A
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Infrared satellite images can detect clouds during both day and night because [INSERT FIGURE 6-35B. NO CAPTION]
A) the environmental lapse rate is greater at night B) clouds emit electromagnetic energy at all times C) water vapor is particularly bright at night D) electromagnetic energy emitted by clouds is a function of cloud temperature
In ocean circulation patterns, water leaving the equator and moving north is saltier due to:
A) evaporation. B) precipitation increase. C) high density. D) both B and C.
A gust front within a multicell thunderstorm separates: a. rain from hail
b. cool, sinking air from warm, rising air. c. warm, sinking air from cool, rising air. d. None of these choices.
The origin of multicellular life proceeded through the mechanism of endosymbiosis. Indicate whether the statement is true or false