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- 1. Multiple Choice
Soil is made of:
pieces of rock
air and water
matter that was once alive
all of the above
- 2. Multiple Choice
Which layer of soil has low organic material and has clay in the form of aluminum and iron compounds?
Topsoil
Bedrock
Subsoil
- 3. Multiple Choice
Which layer of soil contains lots of roots and minerals for growing plants?
Topsoil
Subsoil
Bedrock
- 4. Multiple Choice
True or False: The layers of soil go in this order: Topsoil, bedrock, subsoil.
True
False
- 5. Multiple Choice
Which layer of soil is on bottom?
Topsoil
Subsoil
Bedrock
- 6. Multiple ChoiceIdentify the soil horizon:
Consists of topsoil (mostly sand and some clay) rich in humus (O horizon) and leached soil deficient in humus and minerals.O horizonA horizonB horizonC horizon - 7. Multiple Choice
Soil horizon is horizontal. Soil profile is vertical?
true
false
- 8. Multiple Choice
What is HUMUS made from?
The remains of decayed plants.
Both
The remains of decayed animals.
- 9. Multiple Choice
Which soil layer consists of clay, iron oxides, and other components that came form the zone of leaching?
E horizon
A Horizon
B Horizon
O Horizon
- 10. Multiple Choice
The light colored, leached horizon.
A Horizon
O Horizon
Bedrock
E Horizon
- Answer choicesTagsAnswer choicesTags