Earth Science-Soil

Front

Roots forcing rocks apart is an example of what?

Back

mechanical weathering

Front

what are the 5 components of soil?

Back

rock, sand, silt, clay, and humus

Front

Name the 3 layers of soil

Back

topsoil, subsoil, and bedrock

Front

what is a soil profile?

Back

a cross section of soil exposed by digging

Front

what are the different layers of soil called?

Back

horizons

Front

What are the different horizons?

Back

a, b, c, and o

Front

what is decayed organic material?

Back

humus

Front

which horizon has the most humus? Options: A, B, C, O

Back

O

Front

Acid rain and oxidation are examples of

Back

chemical weathering

Front

unloading, frost action, animals burrowing into the ground, plants by their roots, and ice wedging are examples of

Back

mechanical weathering