Question

why is life possible on earth

Answer 1

life is possible on earth because....
1.earth has trees.trees give oxygen.oxygen helps animals and other creatures to live
2.earth contain atmosphere.thos help organisms to live.
3.earth has water.75% of earth is of water.

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Answer 2

LIfe is possible on earth 
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Life is possible on the earth because of the following reasons 

:- 

1) The earth is the planet where oxygen is available
there is no planet where oxygen is not available.  


2) The earth is the planet where water is available. 
the earth is the planet where water is available and we know that any living organisms cant lives without water. 


3) The earth is the planet where is the availability of the carbon dioxide and oxygen 
this 2 main gases are not present on another planet, so