In the 1900s the world population increased from _____ billion to _____ billion.
Fill in the blank(s) with the appropriate word(s).
1.6; 6
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Answer the following statement(s) true (T) or false (F)
1. In most Southeast Asian countries, population and economic functions are concentrated in one primate city. 2. Indonesia's main period of economic growth was under President Sukarno. 3. Ethnic Chinese communities are significant in all Southeast Asian countries. 4. The chief beneficiaries of the Green Revolution were poor farmers. 5. Environmental problems stem from attempts to establish European farming and tropical plantation crops in the new lands.
On average, the thickness of oceanic crust is ________ that of continental crust
A) greater than B) less than C) the same as
Plate tectonics is like a "conveyor belt," with new material created at _____, and old material recycled back into the mantle at _____
a. trenches; subduction zones b. mid-ocean ridges; subduction zones c. convergent boundaries; subduction zones d. subduction zones; mid-ocean ridges e. mid-ocean ridges; rift zones
Classically there are three kinds of resources, which are
A. oil, labor, and capital. B. land, water, and air. C. land, labor, and water. D. labor, capital, and land.