Question

which of the following is a part of the abiotic (nonliving) reservoir? water bacteria mushrooms snails

Explanation:

Abiotic factors are non - living components of an ecosystem. Bacteria are living (biotic, as they are microorganisms), mushrooms are fungi (biotic), and snails are animals (biotic). Water is a non - living component, so it is part of the abiotic reservoir.

Answer:

water