1) Soil a) Abiotic b) biotic  c) Man made 2) Mountains a) Abiotic  b) biotic c) Man made 3) Pots a) Biotic b) Human-made c) Natural and abiotic 4) Penguins a) biotic b) Abiotic c) Natural and abiotic 5) rivers a) biotic b) Natural and abiotic  c) Natural and biotic  6) Air a) Biotic b) Natural and abiotic  c) Man-made 7) People a) Biotic b) Abiotic c) none of these 8) Play ground a) Biotic b) Human-made c) Natural  9) Chair a) Natural and abiotic b) biotic c) Man-made 10) Satellite a) Natural b) Human-made c) Abiotic 

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