Weathering, Soil, & Erosion

Front

Which substance is a mixture of organic matter & weathered rock? Options: Schist, Soil, Limestone, Granite

Back

Soil

Front

What is located beneath soil layers?

Back

Bedrock

Front

Which layer of soil has the most humus? Options: A horizon, Bedrock, Subsoil, Regolith

Back

A horizon

Front

Which best describes forest soil?

Back

More organic matter in the humus layer than in deeper layers

Front

Which layer in a soil profile would be most affected by weathering & erosion?

Back

A horizon

Front

The 4 agents of erosion are:

Back

wind, water, gravity, & ice

Front

The 2 types of weathering are _________

Back

chemical & physical

Front

What most likely would cause a sinkhole to form? Options: Collapse of the roof of a limestone cave, Abrupt movement of two tectonic plates, Thinning of topsoil due to forest clearing, Impact of meteorite striking the surface of Earth

Back

Collapse of the roof of a limestone cave

Front

Karst features in the Valley & Ridge province of VA

Back

Chemical weathering of limestone rock layers

Front

The main reason for one crustal plate sinking below another crustal plate at a subduction zone is __________

Back

density differences between the crustal plates