why is a shell considered to be biotic?\n○ because it is found in the biosphere\n○ because it was alive\n○…
why is a shell considered to be biotic?\n○ because it is found in the biosphere\n○ because it was alive\n○ because it came from something living\n○ because it is not living
Answer
Brief Explanations:
Biotic factors are living or were - once - living things. Shells are produced by living organisms such as mollusks. So, they come from something living.
Answer:
because it came from something living