52) Which of the following have aided commercial farmers in MDCs?
A) transportation improvements and the rise of sea levels
B) scientific advances, the reduction in the need for electronics, and
C) ancient irrigation projects that can be refitted for modern farming
D) transportation improvements, scientific advances, and electronics
E) climate change, scientific advances, and transportation improvements
53) The decline in the number of farmers in MDCs can best be described as a consequence of
A) push/pull economic factors, including the lack of opportunity in rural areas and higher-paying
jobs in urban areas.
B) urban sprawl, including the development of rings of suburbs and exurbs around major
metropolitan areas, which required larger amounts of farm production.
C) push/pull economic factors, including greater opportunities in rural areas and lower-paying
jobs in urban areas.
D) the increase of populations in urban areas and the reduced population in rural areas.
E) the spread of disease and starvation in rural areas, which quickly reduced the populations of
farmers.
54) The United States had about 60 percent fewer farms and ________ percent fewer farmers in
2000 than in 1900.
A) 85
B) 52
C) 15
D) 25
E) 99