♻️ap environmental science review

Composting

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

Composting is the natural process of decomposing organic materials, such as food scraps and yard waste, into nutrient-rich soil called compost. It involves the breakdown of these materials by microorganisms like bacteria and fungi.