Exam 8: Weathering, Soil, and Mass Movement

Examine the words and/or phrases below and determine the relationship among the majority of words/phrases. Choose the option that does not fit the pattern.

The weather conditions that least favor chemical weathering are ______ and ______,

______s the basic force that moves or accelerates soil and regolith down a slope.

Which process of mass wasting occurs primarily in permafrost regions?

Mass wasting, a process that often occurs between weathering and erosion, involves ______.

Which of the following best describes the process of eluviation?

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

Which term describes a soil formed by weathering of the underlying bedrock?

Deforestation of rain forests exposes tropical soils that are famous for their low fertility, despite the fact that they had previously hosted a lush tropical forest. Which soil type would describe these soils?

Repeated freezing and thawing are most important in______ movements.

Rounding of angular edges of rock outcropping and formation of in situ, spherical boulders are both indications of ______ .

One important relationship between chemical and mechanical weathering is______ .

Which soil horizon represents the lowest part of the zone of accumulation, also referred to as the subsoil?

Of the following, which one would most likely be triggered by an earthquake?

Half Dome in Yosemite National Park, California, and Stone Mountain in Georgia are shaped mainly by what ______ weathering process?

Clay minerals formed from gabbro or diorite bedrock illustrate which kind of weathering?

Quartz is quite resistant to weathering and is an important component of ______.

In North America "no till farming" has become a widespread practice made possible by genetically modified GM. crops that can be sprayed with herbicide that kills everything but the GM plant. Evaluate the following statements on the role of GM crops on soil conservation issues?

______involves movement on a zone of compressed air.

Climate change and human activity like overgrazing of grasslands is leading to large areas subject to "desertification" where native grass cover dies out during drought periods, exposing soil to erosion. What is potentially the greatest initial soil erosion potential during this type of an event?