No biological or chemical process can accomplish that. Nuclear processes could, but I suspect you're using "inorganic" incorrectly, and it's impossible to guess what you really mean.
methane
Decomposition breaks down organic material into simpler units such as water, carbon dioxide, and minerals. This process is carried out by decomposers like bacteria, fungi, and other organisms.
Organic matter breaks down into smaller molecules such as carbon dioxide, water, and nutrients like nitrogen, phosphorus, and potassium. This process is facilitated by microorganisms like bacteria and fungi that decompose the organic material.
A fungi is an eukaryotic organism that has a cell wall and breaks down dead organic material.
Rocks
Organic material like leaves and twigs that can be transformed into humus by decomposing organisms is known as compost. Composting is a natural process that breaks down organic matter into nutrient-rich soil that can be used to improve soil quality and support plant growth.
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Rocks
evaporation!
Decayed substances are commonly referred to as decomposed organic matter or simply as decaying matter. Decay occurs when organic material breaks down into simpler compounds through the action of microorganisms like bacteria and fungi.
Plants growing on laterite depend on decaying litter for nutrients because laterite contains very few soluble minerals, which have been leached by the wet and humid climate of their tropical locations (present day).
Maltodextrin is typically derived from corn, rice, or potato starch. Some manufacturers produce organic maltodextrin made from organic starch sources, which are certified organic according to organic farming regulations. It is best to check the product label or contact the manufacturer to verify if a particular maltodextrin product is organic.