What is porosity, and how does it impact water movement?
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Question 12
12.
What would be the perfect soil mixture, and why?
Question 13
13.
What is cation exchange capability, and how do clay particles and organic material impact it?
Question 14
14.
What is compaction? How does it occur, and why does it cause problems for plants?
Question 15
15.
Explain what salinization is, and why it occurs. In your answer please explain why watering with groundwater has a different effect on the soil than rainwater.
Question 16
16.
Is soil renewable or nonrenewable? Explain why or why not.
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1
Question 18
18.
This rich layer of topsoil is the _______ horizon.
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1
1
Question 1
1.
Question 2
2.
Question 3
3.
Question 5
5.
What is the difference between mechanical and chemical erosion?
Question 6
6.
Question 9
9.
List two living organisms that would be found in healthy soil.
Question 11
11.
Question 17
17.
Draggable item
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Corresponding Item
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Question 19
19.
The leaf litter and detritus above the topsoil is the _______ horizon.
Question 20
20.
This is the _______ horizon, full of clay and minerals but lacking organic matter.
Question 21
21.
This is the _______ horizon, the parent material, also known as _______ .
Plants get carbon for growth from the
air
soil
roots
groundwater
Plants get nitrogen from the
air
soil
roots
groundwater
The most important thing plants need is energy, which they get from the
air
water
soil
sun
Examples of erosion of rock include (select all that apply)
physical breaking of rocks due to glaciers
chemical erosion from oxidation
erosion from water, as in riverbeds and beaches
wind erosion in canyons
Place the following in order of size, with the first being the smallest. (This may require some googling)
silt particle
baby earthworm
bacteria
clay particle
mold spore
sand particle
Match the part of soil to the "sphere" to which it belongs.