Question

when animals excrete waste, or die and decompose, they return phosphorus to the soil. what is the term for soil rich in decomposed animals and plants? aggregate humus shale bedrock

Explanation:

• Aggregate: Refers to a collection of particles, not decomposed organic matter.
• Humus: It is the dark - colored, organic component of soil formed by the decomposition of plant and animal matter.
• Shale: A type of sedimentary rock, not related to decomposed organic soil content.
• Bedrock: The solid rock layer beneath the soil, not the organic - rich soil layer.

Answer:

Humus