Which is an example of an abiotic factor interacting with a biotic factor? insects carry seeds to new places, which allow new plants to grow. people plant trees in a city park. a drought dries up a river, so deer have less water to drink. a fungus causes a grove of trees to die.

 A. Insects (living) carry seeds (living)to new places, which allow new plants to grow.
B. People(living) plant trees(living) in a city park.
C. A drought dries up a river(not living), so deer(living) have less water to drink.
D. A fungus(living) causes a grove of trees(living) to die.

The answer is C because river is the only not living(abiotic) factor in these case