Demic di?usion involves the relocation of people themselves from one place to another
Indicate whether the statement is true or false.
Answer: TRUE
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Which part of Central Asia underwent the Soviet "Virgin Lands Campaign" of the 1950s?
A) central Kyrgyzstan B) northwestern Tibet C) southern Uzbekistan D) northern Kazakhstan E) Azerbaijan
During orogeny, what kinds of igneous activity can occur?
a. At transform boundaries, melting may take place where deep portions of the crust undergo heating b. In convergent plate boundaries, melting takes place in the mantle above the subducting plate c. In rifts, stretching and thinning of lithosphere causes decompression melting (i.e., melting due to the decrease of pressure) of the mantle d. During continental collision, melting may take place where deep portions of the crust undergo heating e. Both b, c, and d
A(n) ____________________ is a break in the geologic record resulting, at times, from erosion. Fill in the blank(s) with the appropriate word(s)
The famous destruction of the Roman city of Pompeii was produced by ________
A) a large cinder cone burying the city in tephra B) a pyroclastic eruption from a composite volcano that buried the city in ash and smothered the people living there C) a volcanic mudflow from Mt. Vesuvius that buried the people and the city D) a composite volcano erupted lava that buried the city, fossilizing people who were overridden by the fast moving flows