Question

Which example represents an abiotic factor in an aquatic ecosystem?

A. Water lilies float on top of a pond.
B. A population of bass is living in a lake.
C. The pH of a lake is decreased by acid rain.
D. Dragonflies feed on small insects near a pond.

Answer 1

C

Step-by-step explanation:

because its the only one that is "not living". All other answers have living species in it.

Answer 2

C

Step-by-step explanation:

Abotic is a non-living thing A) Contains plants B) Bass are fish they are living

C) is a mesurement non living D) Dragonflies is a living inesct