Question

what makes earth the unique planet of the solar system​

Answer 1

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In the solar system, the Earth is the third planet from the sun, and it is the only planet known to have life.

The ability of the Earth to harbor life makes the Earth a unique planet in the solar system, and this stems from the fact that water in liquid form exists on the planet.

Answer 2

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While Earth is only the fifth largest planetin the solar system, it is the only world in our solar system with liquid water on the surface. Just slightly larger than nearby Venus, Earth is the biggest of the fourplanets closest to the Sun, all of which are made of rock and metal.