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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?
Soil
Fossil fuels
Coal
Iron
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 #32 : Soil And Geology
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?
Sensitivity
Plasticity
Strength
Cohesion
Cohesion
The correct response is cohesion. This property measures how well a soil clumps together or breaks apart.
Example Question #33 : Soil And Geology
When a soil scientist measures how well water moves through the soil, what soil property is he/she measuring?
Permeability
Excavation
Compressibility
Strength
Permeability
The correct response is permeability. This measure how quickly water can move through any substance - including soil.
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