why is a shell considered to be biotic?\no because it is found in the biosphere\no because it was alive\no…

why is a shell considered to be biotic?\no because it is found in the biosphere\no because it was alive\no because it came from something living\no because it is not living
Answer
Answer:
C. because it came from something living
Brief Explanations:
Biotic factors are related to living organisms. Shells are produced by living organisms like mollusks, so they come from something living.