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Example Questions
Example Question #31 : Soil And Geology
Conserving our natural resources is one of the challenging issues of the 21st century. What important natural resource is comprised of clay, silt, pebbles, and sand?
Fossil fuels
Iron
Soil
Coal
Soil
The correct response is soil. Soil is a mix of sand, clay, pebbles, and silt. It is the foundation of all our ecosystems.
Example Question #107 : Introductory Concepts And Earth Science
Soil scientists help farmers discover how healthy their soils are. When a soil scientist measures the ability of soil particles to clump together, what soil property are they measuring?
Plasticity
Cohesion
Strength
Sensitivity
Cohesion
The correct response is cohesion. This property measures how well a soil clumps together or breaks apart.
Example Question #32 : Soil And Geology
When a soil scientist measures how well water moves through the soil, what soil property is he/she measuring?
Excavation
Permeability
Compressibility
Strength
Permeability
The correct response is permeability. This measure how quickly water can move through any substance - including soil.
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