Answer:
I interact with my parents and siblings, who are living organisms. However, something that is non-living is the computer that I am typing this answer on.
Well, you should think about evaporation, condensation, and precipitation! If you have anymore questions, feel free to ask!
Pollination.....................
The answer is D. A, B, and C all use photosynthesis, and make their own energy. A cougar relies on killing other animals to get energy. I hope this helps!