Pretend that you are in the field at this location. What observations would you want to perform in the field to test the interpretation of the soil horizons that you made based only on looking at the picture?
What will be an ideal response?
Field examination would permit recognition of loose organic matter (as opposed to roots that may be in all horizons) that would define A and/or O horizons. Wetting the soil would permit easier detection of cohesive clay content, which should be greatest in the B horizon. A test with hydrochloric acid may detect accumulation of calcite in the B horizon or parent material (C horizon) but its absence in the A/O/E horizons.
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Approximately how much hazardous waste, measured by weight, is generated during the total process (mining, processing, and manufacturing) of making one television?
A. equal to the weight of a large pickup truck B. equal to the weight of a bicycle C. equal to the weight of a television D. equal to the weight of a large house
The international economic system is synonymous with the ________ ________
Fill in the blank(s) with correct word
What is the primary source of geothermal power?
A) biomass B) underground supplies of hot water C) natural gas deposits D) oceans (harnessing the tides and currents) E) moving bodies of air (wind)
This is a form of social and economic organization characterized by the common ownership of the means of production, distribution, and exchange
A) capitalism B) communism C) imperialism D) feudalism E) irredentism