Radiometric dating was used to age the ocean floor which was found to be older than the land at the center of continents
Indicate whether the statement is true or false
False
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Subsistence agriculture
A) produces food for the direct consumption of the growers and their families. B) is designed to produce a surplus for sale. C) does not include the raising of livestock. D) has grown in importance over the course of the twentieth century.
What type of climate dominates in most of insular Southeast Asia?
A) constantly cool and dry
B) constantly cool and humid
C) constantly hot and humid
D) constantly hot and dry
E) occasionally hot and humid
A soil composed of well-rounded sand grains of uniform size will most likely have a
A. high porosity. B. high permeability. C. low porosity. D. low permeability.
In the interior of continents the earth's crust is typically about 40 km thick and the elevation is near sea level. In the Himalayas the crust is more than 60km thick
Isostasy says crust thicker than this average should produce elevated terrain (mountains), so why isn't the elevation of the Himalayas 20km?