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Which layer is made of parent material?
litter
O
humus
C
hundreds of years
Horizon C
lava
bedrock
Which horizon layer is known as parent material?
litter
O
humus
C
hundreds of years
Horizon C
lava
bedrock
Which of the following would you expect to be very nutrient rich?
litter
O
humus
C
hundreds of years
Horizon C
lava
bedrock
Which layer is solid rock?
litter
O
humus
C
hundreds of years
Horizon C
lava
bedrock
How long does it take for fertile topsoil to form?
litter
O
humus
C
hundreds of years
Horizon C
lava
bedrock
The organic layer of soil that is made of still identifiable items is
litter
O
humus
C
hundreds of years
Horizon C
lava
bedrock
Which horizon is found at the top?
litter
O
humus
C
hundreds of years
Horizon C
lava
bedrock
Which is not needed for soil formation?
litter
O
humus
C
hundreds of years
Horizon C
lava
bedrock
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