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weathering and soil

TermDefinition
Weathering is the process by which rock materials are broken down by the action of physical or chemical processes.
Mechanical weathering is the breakdown of rock into smaller pieces by physical means.
Abrasion is the grinding and wearing away of rock surfaces through the mechanical action of other rock or sand particles.
Chemical Weathering The process by which rocks break down as a result of chemical reactions.
Differential weathering is a process by which softer, less weather resistant rocks wear away and leave harder, more weather resistant rocks behind
Soil is a loose mixture of small mineral fragments, organic material, water, and air that can support the growth of vegetation.
Parent Rock The rock formation that is the source of mineral fragments in the soil.
Bedrock is the layer of rock beneath soil
Soil Texture is the soil quality that is based on the proportions of soil particles.
Soil Structure is the arrangement of soil particles.
Humus which is the organic material formed in soil from the decayed remains of plants and animals.
Soil Conversation is a method to maintain the fertility of the soil by protecting the soil from erosion and nutrient loss.
Erosion is the process by which wind, water, or gravity transport soil and sediment from one location to another.
Created by: 20qmilburn
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