Question

which abiotic factor would limit the carrying capacity of any ecosystem without it?
water
migration
predation
death rate

Explanation:

Abiotic factors are non - living components of an ecosystem. Water is an abiotic factor. Death rate, predation, and migration are biotic (living - related) factors. Death rate is related to the number of organisms dying (a biological process), predation involves one living organism (the predator) interacting with another (the prey), and migration is a behavior of living organisms.

Answer:

Water