AP Environmental

Soil is made of

• weathered rocks and minerals

• dead plants and animals

• air and water

• all of the above

Tags

NGSS.MS-LS2-3

The two main agents of erosion are...

• wind and flowing water

• gravity and frost wedging

• oxygen and water

• carbon dioxiede and wind

Tags

NGSS.MS-ESS2-2

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 

Which is the correct order of soil horizons starting at the surface?

• A, B, E,C, O

• O, A, B, C, E

• O, E, A, B, C

• O, A, E, B, C

The layer where minerals that were leached out of layers above accumulate

• horizon

• horizon

• horizon

• horizon

A mixture of soil, loam, and detritus; the topsoil

• A horizon

• B horizon

• E horizon

• O horizon

The rate at which water flows through the soil is called soil percolation or ______.

• Groundwater

• Permeability

• Soil Pores

• Porosity

Tags

NGSS.MS-ESS2-4

Which soil component has the least capacity for holding water?

• silt

• clay

• sand

• humus

The layer(s) of soil in which most of the humus and soil organisms are contained:

• only

• only

• and only

• and only

• , and

Tags

NGSS.MS-ESS2-1