Question

WHICH IS ABIOTIC SUBSTANCE AIR WOOL LEATHER AND COTTON

Answer 1

Air is the abiotic substance

Answer 2

An abiotic substance is a non-living physical factor that plays an important role in affecting the functionality of ecosystems and living organisms. Some of the major abiotic substances are:

# Light

# Humidity

# Soil

# Atmosphere

# Temperature

So, the abiotic substance from the list given in the question is air. It is closely related to atmosphere.