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- 1. Multiple ChoiceWhat is humus?The decayed remains of plants and animals.The loose material that covers much of Earth's surface.Something you eat!
- 2. Multiple Choice
The horizon soil that has less humus and particles that make up clay
The A horizon
The B horizon
The C horizon
- 3. Multiple Choice
Crops with shallow roots don't grow well in _____________
The desert soil
The forest soil
- 4. Fill in the Blank
___________ means having to do with or coming from living things
- 5. Multiple Choice
Soil in _____________ has thin layer of topsoil with little humus
desert
forest
oceans
- 6. Fill in the Blank
A mixture of minerals, bits or rocks, and pieces of once-living parts of plants and animals is ____________
- 7. Multiple Choice
Most plant roots grow in ___________
top soil
subsoil
the C horizon
- 8. Multiple Choice
each layer of soil is called _________
soil horizon
humus
organic
- 9. Multiple Choice
The _________ is the soil layer that is made of mostly larger pieces of rocks called bedrocks
A horzion
B horizon
C horizon
- 10. Multiple Choice
_________ is the addition of harmful materials to soil, water, or air
recycling
humus
pollution
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