%Soil Flashcards
0
Q
What are the five horizons?
A
A horizon- has the most plant material O horizon- located in A horizon B horizon- has a lot of clay C horizon- full of rocks and sediments R horizon- bedrock
1
Q
What are the five factors of the formation of soil?
A
Parent material, climate, topography, biota, and time.
2
Q
What is decomposition?
A
is the process of changing once-living material into dark-colored organic matter.
3
Q
What is soil?
A
Soil is a mixture of weathered rock, rock fragments, decayed organic matter, water, and air.
4
Q
What is organic matter?
A
Organic matter is the remains of something that was once alive.
5
Q
What are pores?
A
These small holes and spaces are called pores.
6
Q
What is weathering?
A
The mechanical and chemical processes that change objects on Earth’s surface over time are called weathering.
