Question

why do we call earth as a unique planet

Answer 1

Because it supports live n water has existed on earth.....

Answer 2

hello freind!!
we call earth as a unique planet because -
1) earth is the only planet in our solar system where life is exist
2) Earth is only plantet where water , forest , are found but there is another planet where water could determined by the NASA's scientist
3) Earth is the only planet where Atmosphere is found
thus above points make earth as a unique planet than the other planets
Hope this helps you:)