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Soil Composition
- What is soil made up of?
- Mineral Matter
- Rock particles from the bedrock and weathered parent
rock
- Rock particles from the bedrock and weathered parent
rock
- Air
- Found in the pore spaces between rock grains
- Found in the pore spaces between rock grains
- Water
- Found in pore space between rocks
- Dry Weather?
- Forms a thin film around soil grains
- Forms a thin film around soil grains
- Wet weather?
- Fills the pores in the soil
- Fills the pores in the soil
- Dry Weather?
- Found in pore space between rocks
- Humus
- A black sticky gel produced by decaying organic matter
- A black sticky gel produced by decaying organic matter
- Living Organisms
- Such as beetles, earthworms, fungi and bacteria
- Such as beetles, earthworms, fungi and bacteria
- Mineral Matter
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