Competition is considered a(n) limiting factor. (2 points)

natural

abiotic

abiotic and biotic

biotic

Competition is considered a abiotic and biotic factor.
Abiotic factor affect the ability of organisms to survive and reproduce.
Biotic factor is a living organism that affect another living organism in the eco system. Competition is the interaction between organisms from the same species or between species in situation in which both are harmed. According to the definition, competition is an abiotic factor because affects the survival of the organisms but it is also a biotic factor, because the behavior of the one organism affect the behavior of the another, 

I’d say a : water molecules

Ais the answer for you