Understanding Soil Composition and Organic Matter Quiz

Mineral particles, rocks, air, and water

Sand, silt, clay, and organic matter

Mineral particles, organic matter, water, and air (correct)

Rocks, organic matter, air, and water

Regulating air quality and temperature

Absorbing sunlight and providing shade

Supporting plant growth and providing nutrients (correct)

Acting as a water reservoir for marine life

Improving soil structure and providing nutrients (correct)

Increasing soil salinity and inhibiting plant growth

Promoting waterlogging and hindering root development

Causing soil erosion and reducing fertility