What are two ways nonliving things could affect

yellow-rumped warblers?

the nonliving things that could affect yellow-rumped warblers is the temperature and humidity of the atmosphere.

Explanation:

Yellow-rumped warblers is a type of bird which is found in central and North America. Temperature and humidity has a great impact on yellow-rumped warblers. They migrate to central america when the winter season arrived because the climate of central and north america is warm and wet due to more rainfall. This bird does not tolerate the extreme low and high temperature so that's why they migrate to warm areas in the winter.