how is soil made better for plants by biological decomposition?

Nutrient replenishment

Explanation:

Any living organism has nutrients in their body. So when they die or decompose, a lot of the nutrients break down and goes back into the ground.

answer: national resource conservation services

national resource conservation services is the us. based approach that provides technical and financial assistance for natural resource management. nrcs society in conservation of resources by involving in activities like farmland protection, flood prevention, watershed protection, urban conservation, conserves economic and environmental conditions. it conducts soil surveys and implements the policy of natural resources management on the society.