APES Land Resources Quiz 1

The San Andrea's Fault in California is which type of boundary?

• Convergent
• Divergent
• Subductive Zone
• Transform

The layer of soil which the topsoil is found.

• Horizon A
• Horizon B
• Horizon C
• Horizon D or R

Which horizon is made up of partially weathered rocks?

• Horizon A
• Horizon B
• Horizon C
• Horizon D or R

In which horizon is most of the HUMUS?

• Horizon A
• Horizon B
• Horizon C
• Horizon D or R

Which of the following types of soil has the largest particles?

• sand
• silt
• humus
• clay

Type of soil texture that is an ideal mixture of clay, sand, and silt and provides the best inorganic situation for fertility.

• loam

• A horizon

• humus

• sandy loam

Which type of soil can hold the greatest amount of water?

• sandy soils

• silty soils

• clay soils

• loamy soils

Water gets into the cracks of rock and freezes, causing the rock to break.  What is this an example of?

• erosion

• mechanical or physical weathering

• chemical weathering

• primary succession

What soil problem do you see?

• nutrient leaching

• mudslide

• gulley erosion

• sheet erosion

Decayed organic material turns into dark colored material called __.

• silt

• O-horizon

• humus

• soil