A four-field rotation system is used in which type of agriculture?
A) intensive subsistence agriculture
B) swidden
C) extensive subsistence agriculture
D) mixed crop and livestock farming agriculture
E) all of the above
D
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Powerfully symbolic landmarks like the Eiffel Tower, the Empire State Building, a distinctive opera house or even a strategically placed ferris wheel (!) are most likely to represent a(n)
A) individual. B) city. C) state. D) country. E) continent.
Bahá'í diffused to other regions during the late nineteenth century, under the leadership of 'Abdu'l-Baha, son of the prophet Baha' u' llah
Indicate whether the statement is true or false.
A region with an emergent coast is Scandinavia due to isostatic rebound. Indicate whether the statement is true or false
Approximately how many viral and cellular oncogenes are currently known?
A) 50 B) 100 C) 200 D) 500