Question

Waterfalls often make it difficult for fish to survive undemeath them. The water falls effect on the fish would be a/an ___ factor influencing a/an ____ one.
a) abiotic, abiotic
b) abiotic ,biotic
c) biotic , biotic
d) biotic , abiotic ​

Answer 1

Answer:

correct is option D

Explanation:

really its right