What is chemical weathering? What is mechanical weathering? Name three types of chemical weathering. Name three types of mechanical weathering. What are the four components of soil... What is chemical weathering? What is mechanical weathering? Name three types of chemical weathering. Name three types of mechanical weathering. What are the four components of soil? How long does it take for one cm of topsoil to form? What is progradation? What is retrogradation? Which landscapes are most affected by wind erosion?
Understand the Problem
The question is asking for definitions and examples related to geological processes, specifically regarding chemical and mechanical weathering, soil components, and erosion effects on landscapes.
Answer
Chemical weathering changes rock composition. Mechanical weathering breaks rocks into pieces. Three types of chemical: Hydrolysis, Oxidation, Carbonic Acid. Three mechanical: Ice Wedging, Wetting, Exfoliation. Soil: rock, organic, air, water. 1 cm topsoil: 100-400 years. Progradation: beach widens. Retrogradation: beach narrows. Affected by wind: deserts, coastlines.
The final answer is provided below.
Answer for screen readers
The final answer is provided below.
More Information
Chemical weathering involves chemical changes, whereas mechanical weathering is purely physical. Formation of soil and changes in landscape due to erosion are slow processes that affect ecological balance.
Tips
Ensure not to confuse mechanical erosion processes with chemical reactions. Understand time scales involved in geological processes.
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