Soils Flashcards
1
Q
What are soils part of?
A
The regolith.
2
Q
What are soils made of?
A
A mixture of weathered rock, organic matter, air and water.
3
Q
How does soil differ from the rest of the regolith?
A
Has a high content of organic matter (eg roots of plants, soil organisms)
It’s weathering is more intense
It has horizons (horizontal layers)
4
Q
Where does mineral matter come from?
A
Mechanical and chemical weathering.
5
Q
Describe mineral matter particles.
A
Vary from pebbles to colloidal clay particles.
6
Q
I
A
Those of
