Put an “A” if it is abiotic factor, and “B” if it is biotic factor in the ecosystem.Options are trees,soil,people,stones,worms,rain water.

A - trees (abiotic factor)

B - soil (biotic factor)
B - people (biotic factor)
A - stones (abiotic factor)
B - worms (biotic factor)
A - rain water (abiotic factor)