The age of rocks in the ocean basins was determined by... A. ocean drilling
B. the fit of the continents across oceans
C. the depth of earthquake foci
D. the amount of magnetism in the rocks

Northeastern china, north korea, northern japan containing coniferous forests, temperate grasslands, and agriculture, are all part of what climate zone? a. tropical desertb. desertc. humid subtropicald. humid continental

Distance that the transcontinental railroad covered from omaha to san francisco.

In the von thunen model of agricultural land use, what is produced closest to the city epicenter? a. dairy, vegetables, and fruits b. field crops, such as corn and wheat c. beef and other animal products d. wood and lumber