Exam 5: Weathering and Soil

The solum or true soil includes all horizons above the C horizon.

What is the common soil formed in moist, temperate areas like most of Quebec and the Maritimes?

Caliche is an excessive accumulation of ________.

Frost wedging is the major weathering process contributing to the formation of which regolith material?

List three possible sources of acidity to promote the natural chemical weathering of minerals.

What are the environmental effects of acid rain?

In which area are pedocal soils most likely to be found?

Word Analysis Questions Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. -Choose the option that does not fit the pattern.

The natural decomposition of limestone through chemical weathering mostly produces solid, insoluble calcium hydroxide.

Which of the following is/are most susceptible to chemical weathering by dissolution?

One of the chief detriments to the environment by acid rain is the acidification of lakes.

Why is the humus layer typically thicker in a cool, temperate, forest soil than in a tropical rainforest soil?

The downslope transfer of loose rock and soil particles by the force of gravity is called ________.

Which term best describes an accumulation of angular rock fragments at the base of a steep, bedrock slope or cliff?

The material caliche represents an extensive, concrete-like accumulation of calcite in the B horizon of a pedalfer soil.

Where would you be best advised to attempt large scale, natural plantations of a popular broad-leafed recreational plant that could thrive untended in a pedalfer (podzol)with a temperate climate and enough rain?

Which is the common soil formed in dry young forest with long winters as in Yukon?

Which of the following best describes sets of fractures in relatively fresh bedrock, such as granite, that are roughly parallel to the land surface?

The physical removal of dissolved or disaggregated rock from the site of weathering by wind, water, or ice is termed ________.

Which of the following affects both the kind of soil and its rate of formation?