Question

17 multiple choice 2 points which of the following represents an abiotic factor influencing plant growth? soil nitrogen concentration leaf litter decomposition pollinator activity earthworms in the soil

Explanation:

Abiotic factors are non - living components of an ecosystem. Soil nitrogen concentration is a non - living chemical component. Leaf litter decomposition involves biological processes (biotic as leaves come from plants which are biotic). Pollinator activity (pollinators are living organisms - biotic) and earthworms (living organisms - biotic) are biotic factors.

Answer:

Soil nitrogen concentration