APES Soil

What soil type is typically found on the top of soil?

• Humus because it made up of dead, organic matter
• Loam because it is lighter than the other layers
• Clay because it is not able to fit through the finer particles
• Rock because the other layers are more dense

What was one of the major causes of the Dust Bowl?

• Cold and windy weather
• Increasing prices and demand for crops
• Removal of grasses and overfarming
• Sandy soil composition that would not stay in place

The two main agents of erosion are...

• wind and flowing water
• gravity and frost wedging
• oxygen and water
• carbon dioxiede and wind

Which of the following can result from soils that are too acidic?

• they create acid-mine drainage
• they can leach soluble heavy metals
• they can adversely affect aquatic life
• they can cause neurological damage in unborn children

Which layer in the soil will have the greatest concentration of organic nutrients?

• A
• B
• C
• O

Which of the following is the correct order of soil particles in order of increasing particle size?

• clay-sand-silt
• sand-clay-silt
• silt-clay-sand
• clay-silt-sand

Soil sample that is 60% clay, 30% silt, and 10% sand has which texture? 

• clay
• clay loam
• sandy loam
• silt 

Name the boundary

• convergent boundary
• divergent boundary
• transform boundary
• sergent boundary

Name the boundary

• convergent boundary
• divergent boundary
• transform boundary
• sergent boundary

Name the boundary

• convergent boundary
• divergent boundary
• transform boundary
• sergent boundary