1. Only I
  2. Only II
  3. Both I and III
  4. All I II and III
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1 Answers

Option 3 : Both I and III

  • Both Rocks and Soil are abiotic components.
  • Abiotic components are Physical parts of the environment and non-living chemicals that affect living species and the functioning of the ecosystems.
  • The living things in an ecosystem are called as biotic factors (example-plants).
  • Abiotic factors can also include light, water, radiation, humidity, temperature, atmosphere etc.
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