12 Questions
What is the primary source of soil texture?
Rocks and sediments
How long does it take to form one centimeter of soil from some of the harder rocks?
500 years
What is the primary mechanism of physical weathering?
Freezing and thawing
What is the result of the respiration of carbon dioxide by plant roots?
Formation of carbonic acid
What is the primary agent that breaks down rock into smaller fragments, leading to soil formation?
Organisms such as lichen
What is the ultimate source of most of the world's soils?
Weathering processes
What is a necessary step before plant life can flourish?
Breakdown of rocks to form soil
What is the term used to describe the process of rocks being broken down to form soils?
Weathering
What is the acronym used to describe the factors that affect soil formation?
CLORPT
What is the primary component of soil, besides minerals and water?
Organic material
What is the result of the chemical breakdown of rocks in soil formation?
The dissolution of compounds in rain
What is the role of time in soil formation?
To transform the parent material into a mature soil
Learn about the process of soil formation, from exposed rock to mature soil, and how it's classified. Discover the role of climate, organisms, and time in weathering rock and creating a dynamic soil ecosystem.
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