the conversion of farmable or habitable land to desert, as by a change in climate or destructive land use, is known as
a)
transformation.
b)
global warming.
c)
desertification.
d)
greenhouse effect.

Topographic maps are used to measure a-composition b-movement c-elevation d-texture

On the map below, which of the following rivers is identified by blue? the huang he river the yangtze river the han river the naktong river

Which of the following statements best characterizes changes to agriculture in the united states since 1900? a. increased mechanization has reduced the need for labor.b. increased mechanization has increased the need for water, thereby increasing the need for labor.increased mechanization has increased the use of land, thereby increasing the need for labor.d. increased mechanization has increased food production, thereby increasing the need for labor. select the best answer from the choices provided.