Exam 14: Soil Formation and Landscape Stability

Which type of soil is likely to contain metal ores in large enough amounts to mine?

Which of the following practices by farmers decreases erosion?

Caliche is

________ soils are common in the western United States.

Which of the following is least likely to reduce soil fertility?

Which Latin word or phrase is the E horizon named after?

Minerals are added to the B horizon primarily from the

Figure 14.11 -Looking at Figure 14.11 from your textbook, the reason that the calcite accumulation is deeper on the central part of the test line from Wyoming to Wisconsin than it is on the western part is on account of

Which calculation was done to determine the rate of calcite accumulation in soils in Gile and Grossman's experiment?

Soil horizons are distinguished from one another by

Which compound is least likely to be washed downward from the A horizon?

What is a gully?

Which soil horizon may be red in color and contain clay?

Which area would be most likely to have a thick regolith with immature soil?

________ soils are common in South America and Africa.

The regolith and soil are underlain by the

All of the following agricultural practices decrease erosion except

Which factor would not cause a variation in the amount of calcite added to soil in the region of a particular dust trap?

What is the main difference between soil horizons and sedimentary bedding?

What is regolith?