Asked by Nicole Rauch on May 02, 2024
Verified
The partly decayed organic portion of soil is called:
A) silt.
B) clay.
C) sand.
D) humus.
E) castings.
Partly Decayed
Refers to a state of partial decomposition, typically of organic matter, resulting from the action of bacteria and fungi.
Organic Portion
The component of a substance or material that is derived from living organisms and contains carbon.
- Understand the processes and components involved in soil formation and composition.
Verified Answer
ZK
Zybrea KnightMay 04, 2024
Final Answer :
D
Explanation :
The partly decayed organic portion of soil is called humus. It is crucial for soil fertility as it holds moisture and nutrients, making them available to plants.
Learning Objectives
- Understand the processes and components involved in soil formation and composition.
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