Author Question: Match the soil horizon with the correct definition. A) Accumulation of clay particles from upper ... (Read 61 times)

SGallaher96 · **on:** Jul 16, 2018

Match the soil horizon with the correct definition.

A) Accumulation of clay particles from upper layers
B) Partially altered parent material that is easily identifiable
C) Composed of a mixture of humus and mineral material
D) Consists largely of organic material, still identifiable in uppermost layer
E) Light-colored, depleted of soluble materials, little organic material

1) O horizon
2) E horizon
3) C horizon
4) A horizon
5) B horizon

Question 2

A burrowing animal is digging its tunnel through rocky soil, moving fresh material to the surface. How is this animal contributing to the weathering of that material?

What will be an ideal response?

ngr69 · **Reply #1 on:** Jul 16, 2018

Answer to Question 1

Answers: 1) D 2) E 3) B 4) C 5) A

Answer to Question 2

Answer: Fresh geologic material that is moved to the surface can now be more effectively attacked by mechanical and chemical weathering processes.