Question

which is abiotic?
○ tree sap
○ insect
○ sunlight
○ tree stump

Explanation:

Abiotic factors are non - living components of an ecosystem. Tree sap is from a tree (biological), an insect is a living organism, a tree stump was once part of a living tree (still has biological remnants in a sense related to life), while sunlight is a non - living component of the environment.

Answer:

The option with "sunlight" (the second option from the left, with the text "sunlight")