These are steep-sided, level topped areas that are built onto the sides of steep hills and mountains so that crops can be grown.
What are terraces?
Small pieces that break off of rocks.
What are sediments?
This type of weathering occurs when rocks are broken apart by physical means.
What is mechanical?
This occurs when nutrients are both added and removed from the soil.
What is nutrient balance?
Erosion includes mechanical and chemical, where as weathering is the transfer of material from one location to another. True or False
What is False?
A chemical process that occurs when iron is exposed to oxygen in the air.
What is oxidation?
The decayed organic matter that turns into a dark-colored material.
What is humus?
What is it called when farmers leave the plant stalks in the fields over the winter months?
What is no-till farming?
What is a mixture of weathered rock, decayed organic matter, mineral fragments, water, and air?
What is soil?
What is soil science?
What is pedology?
Removal of forest which increases erosion and particularly damages tropical rain forest soil.
What forest harvesting?
What are the different layers of soil called?
What are horizons?
All of the following are forces that change landforms EXCEPT: a. wind b. moving water c. glaciers d. physical features
What are physical features?
Which horizon contains the most humus and is also known as topsoil?
What is horizon A?
The difference between mechanical and chemical weathering is:
A. Physical weathering just breaks things apart and chemical weathering changes the rocks forever.
B. Physical weathering breaks things apart and chemical weathering burns rocks with chemicals.
What is A?
What is the often the thickest layer of a soil profile?
What is the C horizon?