Multiple choice

Directions: Choose the word that substitutes the following phrase.

The part of the earth's surface and atmosphere inhabited by living things

  1. Biosphere

  2. Atmosphere

  3. Clouds

  4. Ozone
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A Correct answer
Explanation

The biosphere refers to the regions of the surface, atmosphere, and hydrosphere of the earth occupied by living organisms. It represents the global sum of all ecosystems and is the zone where life exists. Other terms like atmosphere or ozone refer only to specific layers of the Earth's surroundings.

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