a fish tank has water, rocks, plants, and fish. which abiotic factor is missing that all the living things…

a fish tank has water, rocks, plants, and fish. which abiotic factor is missing that all the living things need to survive?
Answer
Brief Explanations:
Abiotic factors are non - living components. Living things (plants and fish) need light for photosynthesis (in plants) and overall well - being. The fish tank has water (abiotic), rocks (abiotic), but no mention of light.
Answer:
Light