Exam 14: Soil Formation and Landscape Stability

How are added minerals most often found in soil?

The location of farms close to volcanoes in Indonesia is an example of the role of ________ in determining soil characteristics.

Which action would a sheet of water most likely perform?

How do soils form?

________ soils commonly consist entirely of O and A horizons.

Choose the option that puts the soil types in order from those that form in areas with the most moisture to those that form in areas with the least moisture.

Which state would you expect to have the most Histosols soil?

________ soils are common in the southwestern part of the United States.

________ soils are common in the equatorial regions of South America and Africa.

What are the types of soils?

Which is not a common form of calcium addition to soil?

If all other variables were the same, what differences would you expect between a humid and an arid climate in soil formation?

What evidence made scientists hypothesize that dust contained calcium?

Figure 14.22 -Study Figure 14.22 from your textbook. Approximately how many grams of calcite accumulate in soils per year, according to Gile and Grossman's experiment?

What factors determine soil characteristics?

Which type of soil is likely to have white calcite nodules?

How many metric tons of soil erode away each year in the United States?

A student makes the following statement: "Soils are immature in Alaska mainly because there is little rain fall in the arctic." Evaluate this statement.

Figure 14.3 -According to Figure 14.3 from your textbook, what might be present to cause a gray-brown color in a horizon?

________ soils are common in the southeastern part of the United States.