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Science

Across
A severe environmental disaster in the Great Plains during the 1930s
The process of fertile topsoil being lost due to wind or water.
The practice of rotating crops to improve soil quality
A layer of grass and soil held together by roots, used in landscaping
Solid rock that underlies the soil layers
A layer of soil where organic material and nutrients accumulate
The freezing and expansion of water in cracks, causing rock breakdown
Practices aimed at preventing soil erosion and maintaining soil quality
Small debris like leaves and twigs on the ground in forests
A valuable resource found in the environment
Soil's ability to allow water to pass through easily
The capacity of soil to support plant growth
Down
A chemical reaction often involving the addition of oxygen
A process by which rocks break down into smaller pieces through mechanical and chemical means
Layers of soil, from surface to bedrock
The uppermost layer of the Earth's surface, essential for plant growth
A farming technique that reduces soil erosion by plowing along the land's contour
The geological principle that suggests that the same natural processes occurring today have also shaped the Earth's past
Layer below topsoil, often less fertile
The uppermost layer of soil, rich in organic matter
The natural process of organic matter breaking down
The wearing away of soil or rock through friction and impact