Soil Layers
The second layer of soil?
What is topsoil?
The C horizon is known as?
What is Parent Material?
The shape and steepness of the landscape?
What is topography?
Small hole or space in the soil?
What is Pore?
The smallest weathered rock that doesn't allow plants to grow?
What is sand?
The layer of solid rock?
What is bedrock?
The A horizon has what kind of organisms?
What is earthworms, fungi, bacteria?
The average weather of an area measured by temperature and amount of rainfall?
What is Climate?
Rock material that has been broken down or dissolved in water?
What is sediment?
The layer that is sticky when wet but smooth when dry?
What is clay?
The fourth layer is known as?
What is parent material?
The horizon that has clay in it?
What is the C horizon?
Soil "starts" from this forming factor?
What is Parent Material?
Mixture of weathered rock, rock fragments, decayed organic matter, water, and air?
What is soil?
The type of soil that is found near lakes and rivers?
What is silt soil?
Another name for the organic layer?
What is Humus?
The organic layer is known as what horizon?
What is O horizon?
Mites, Nematodes, Amphibians, and Insects are all what?
What is biota?
Process that changes once-living material into organic matter?
What is Decomposition?
Loamy soil is a mixture of what 3 materials?
What is sand, silt, clay?
Materials the subsoil is made up of?
What is weathered rock and clay?
Bedrock is what horizon layer?
What is the R horizon?
In one year soil grows how much?
What is 1mm a year?
Layer of soil formed from the movement of the products of weathering?
What is Horizons?
True or False, All soil in America is brown?
What is false?