What is the B Horizon in soil classification?
Chemical vs Mechanical Weathering

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Science
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8th Grade
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1.
FLASHCARD QUESTION
Front
Back
The B Horizon, also known as Subsoil, is the layer of soil beneath the topsoil that accumulates minerals and nutrients leached from the upper layers.
2.
FLASHCARD QUESTION
Front
What process involves oxygen reacting with elements in rock, causing color change and rust formation?
Back
Oxidation is the process where oxygen reacts with certain elements in rock, leading to color changes and the formation of rust.
3.
FLASHCARD QUESTION
Front
What type of weathering occurs when halite reacts with water?
Back
Chemical Weathering occurs when halite, a mineral in rocks, reacts with water.
4.
FLASHCARD QUESTION
Front
How does the time taken for soil to form affect its thickness?
Back
The longer it takes for soil to form, the thicker it will be.
5.
FLASHCARD QUESTION
Front
What is humus?
Back
Humus is a dark-colored substance that forms as plant and animal remains decay, enriching the soil.
6.
FLASHCARD QUESTION
Front
Define Mechanical Weathering.
Back
Mechanical Weathering is the process of breaking down rocks into smaller pieces without changing their chemical composition.
7.
FLASHCARD QUESTION
Front
Define Chemical Weathering.
Back
Chemical Weathering is the process that alters the chemical structure of rocks, often through reactions with water, acids, or gases.
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