Which list includes only abiotic parts of an ecosystem? a. soil, water, air b. decomposers, soil, nutrients c. mammals, fish, birds d. algae, grasses, animals

The correct answer is option A.

Explanation:

Abiotic: This is a part of nature composed of non-biological material and physical materiel which interacts with an ecosystem.

For example:, river, lands, mountains etc

Biotic: This is a part of nature composed of biological material which intercst with other living organism in an ecosystem.

For example: plants , trees, animals etc

So, from the given options the abiotic parts of an ecosystem are enlisted in option A.