The reason why life exist on earth includes:
- The biosphere receives heat, air, and sunlight from the atmosphere for plants to grow and produce food.
- The atmosphere protects the Earth from harmful ultraviolet rays and traps the sun’s heat that warms up the biosphere to sustain life.
- Water particles from the hydrosphere combine in the atmosphere and fall to the Earth which provides water to living organisms.
- The geosphere provides the land that organisms in the biosphere live on.
Basically, the earth entails different layers which encourage existence of life on the surface.
The component that forms earth includes
- Lithosphere.
- Asthenosphere
- Mesosphere
- Outer core
- Inner core
- Hydrophere
- Atmosphere.
Therefore, all of the option are correct because they support for existence of life on Earth.
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