What are some examples of major human impacts on the mountain biome?
A. agriculture, hydroelectric dams, and timber extraction
B. conversion to cropland, depletion of groundwater, and agriculture
C. large cities, oil production, and hydroelectric dams
D. overgrazing by livestock, timber extraction, and depletion of groundwater
E. hydroelectric dams, overgrazing by livestock, and release of carbon dioxide by burning
Answer: A
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Which of the following best matches the description?Movement of minerals from the A horizon to the B horizon.
A. lithosphere B. parent material C. asthenosphere D. mechanical weathering E. terrace F. soil structure G. contour farming H. loam I. leaching J. soil texture K. chemical weathering L. humus M. soil profile N. friable O. weathering P. horizon Q. windbreak
The soils in tropical rain forests are nutrient-rich—as indicated by the vast amount of vegetation that grows there
Indicate whether the statement is true or false
Increased seismicity in some areas (e.g., Colorado, New Mexico, and Oklahoma) has been linked to
A) a continental plate—continental plate subduction zone. B) a rift valley hot spot in the mid-continental region. C) a strike-slip fault. D) orogeny E) wells associated with oil and gas drilling.
There are two hypotheses as to why people abandoned hunting/gathering and turned to agriculture. Briefly explain each hypothesis