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Question 1 0 / 1 pts In the illustration above, which soil horizon contains the most organic matter? B R E C O A Question 2 1 / 1 pts The “R” soil horizon consists of ______
Question 1
0 / 1 pts
In the illustration above, which soil horizon contains the most organic matter?
B
R
E
C
O
A
1 / 1 pts
The “R” soil horizon consists of ______.
fossils and petroleum
bedrock
organic matter
regolith
1 / 1 pts
Which soil horizon contains the most accumulated
minerals?
O
C
A
R
B
E
1 / 1 pts
Leaf litter is mostly found in which horizon?
R
E
C
A
O
B
0 / 1 pts
The accumulated minerals in Question 3 originate from (leach out of) which soil horizon?
O
C
E
A
B
R
8 / 8 pts
Match each soil description with its name:
1 / 1 pts
A “clump” of soil made of individual particles that naturally stick together is called a ______.
colloid
column
prism
ped
0 / 1 pts
A soil particle smaller than 0.1 micrometers in diameter is called a ______.
prism
column
colloid
ped
1 / 1 pts
The ability of soil to transmit water is referred to as soil ______.
porosity
permeability
structure
texture
1 / 1 pts
Porosity is a measure of the soil's capacity ______.
to hold air and water
clump together
resist water soaking in
to soak up water
0 / 1 pts
Soil with a pH between 8 and 14 is described as ______.
neutral
pH balanced
acidic
alkaline
1 / 1 pts
The most important mineral found in a calcic hardpan is ______.
carbon
sand
humus
calcium carbonate
1 / 1 pts
A soil which has an even mixture of clay, silt, and sand is called ______.
silty
gravelly
sandy
a loam
Expert Solution
Question 1
0 / 1 pts
In the illustration above, which soil horizon contains the most organic matter?
B
R
E
C
O
A
1 / 1 pts
The “R” soil horizon consists of ______.
fossils and petroleum
bedrock
organic matter
regolith
1 / 1 pts
Which soil horizon contains the most accumulated
minerals?
O
C
A
R
B
E
1 / 1 pts
Leaf litter is mostly found in which horizon?
R
E
C
A
O
B
0 / 1 pts
The accumulated minerals in Question 3 originate from (leach out of) which soil horizon?
O
C
E
A
B
R
8 / 8 pts
Match each soil description with its name:
Contains only organic matter
Recently formed
Dry soils
Derived from anndesite
Found in permafrost regions
Soft soils
Contains aluminum and iron
All nutrients leached out
1 / 1 pts
A “clump” of soil made of individual particles that naturally stick together is called a ______.
colloid
column
prism
ped
0 / 1 pts
A soil particle smaller than 0.1 micrometers in diameter is called a ______.
prism
column
colloid
ped
1 / 1 pts
The ability of soil to transmit water is referred to as soil ______.
porosity
permeability
structure
texture
1 / 1 pts
Porosity is a measure of the soil's capacity ______.
to hold air and water
clump together
resist water soaking in
to soak up water
0 / 1 pts
Soil with a pH between 8 and 14 is described as ______.
neutral
pH balanced
acidic
alkaline
1 / 1 pts
The most important mineral found in a calcic hardpan is ______.
carbon
sand
humus
calcium carbonate
1 / 1 pts
A soil which has an even mixture of clay, silt, and sand is called ______.
silty
gravelly
sandy
a loam
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